- Creagrutus cochui — likely to require an intermediate donation
- Creagrutus cracentis — likely to require a low level of donation
- Creagrutus crenatus — likely to require an intermediate donation
- Creagrutus ephippiatus — likely to require an intermediate donation
- Creagrutus figueiredoi — likely to require an intermediate donation
- Creagrutus flavescens — likely to require an intermediate donation
- Creagrutus gephyrus — likely to require an intermediate donation
- Creagrutus gracilis — likely to require an intermediate donation
- Creagrutus guanes — likely to require an intermediate donation
- Creagrutus gyrospilus — likely to require an intermediate donation
- Creagrutus hildebrandi — likely to require an intermediate donation
- Creagrutus holmi — likely to require an intermediate donation
- Creagrutus hysginus — likely to require an intermediate donation
- Creagrutus ignotus — likely to require a low level of donation
- Creagrutus kunturus — likely to require an intermediate donation
- Creagrutus lassoi — likely to require an intermediate donation
- Creagrutus lepidus — likely to require an intermediate donation
- Creagrutus machadoi — likely to require an intermediate donation
- Creagrutus maculosus — likely to require an intermediate donation
- Creagrutus magdalenae — likely to require an intermediate donation
- Creagrutus magoi — likely to require an intermediate donation
- Creagrutus manu — likely to require an intermediate donation
- Creagrutus maracaiboensis — likely to require an intermediate donation
- Creagrutus maxillaris — likely to require a low level of donation
- Creagrutus melanzonus — likely to require an intermediate donation
- Creagrutus melasma — likely to require an intermediate donation
- Creagrutus menezesi — likely to require an intermediate donation
- Creagrutus meridionalis — likely to require an intermediate donation
- Creagrutus molinus — likely to require an intermediate donation
- Creagrutus mucipu — likely to require an intermediate donation
- Creagrutus muelleri — likely to require an intermediate donation
- Creagrutus nigrostigmatus — likely to require an intermediate donation
- Creagrutus nigrotaeniatus — likely to require an intermediate donation
- Creagrutus occidaneus — likely to require a low level of donation
- Creagrutus ortegai — likely to require an intermediate donation
- Creagrutus ouranonastes — likely to require an intermediate donation
- Creagrutus paraguayensis — likely to require an intermediate donation
- Creagrutus paralacus — likely to require an intermediate donation
- Creagrutus pearsoni — likely to require an intermediate donation
- Creagrutus peruanus — likely to require a low level of donation
- Creagrutus petilus — likely to require an intermediate donation
- Creagrutus phasma — likely to require an intermediate donation
- Creagrutus pila — likely to require a low level of donation
- Creagrutus planquettei — likely to require an intermediate donation
- Creagrutus provenzanoi — likely to require an intermediate donation
- Creagrutus runa — likely to require an intermediate donation
- Creagrutus saxatilis — likely to require an intermediate donation
- Creagrutus seductus — likely to require a low level of donation
- Creagrutus taphorni — likely to require an intermediate donation
- Creagrutus tuyuka — likely to require an intermediate donation
- Creagrutus ungulus — likely to require a low level of donation
- Creagrutus varii — likely to require an intermediate donation
- Creagrutus veruina — likely to require an intermediate donation
- Creagrutus vexillapinnus — likely to require an intermediate donation
- Creagrutus xiphos — likely to require an intermediate donation
- Creagrutus yanatili — likely to require an intermediate donation
- Creagrutus yudja — likely to require an intermediate donation
- Creagrutus zephyrus — likely to require an intermediate donation
- Creatochanes melanurus — likely to require an intermediate donation
- Creedia alleni — likely to require an intermediate donation
- Creedia bilineata — likely to require an intermediate donation
- Creedia haswelli — likely to require an intermediate donation
- Creedia partimsquamigera — likely to require an intermediate donation
- Cremnochorites capensis — likely to require a low level of donation
- Crenicara latruncularium — likely to require an intermediate donation
- Crenicara punctulatum — likely to require an intermediate donation
- Crenichthys baileyi — likely to require a low level of donation
- Crenichthys nevadae — likely to require an intermediate donation
- Crenicichla acutirostris — likely to require an intermediate donation
- Crenicichla adspersa — likely to require an intermediate donation
- Crenicichla albopunctata — likely to require an intermediate donation
- Crenicichla alta — likely to require an intermediate donation
- Crenicichla anamiri — likely to require an intermediate donation
- Crenicichla anthurus — likely to require an intermediate donation
- Crenicichla bergii — likely to require an intermediate donation
- Crenicichla brasiliensis — likely to require an intermediate donation
- Crenicichla britskii — likely to require an intermediate donation
- Crenicichla cametana — likely to require an intermediate donation
- Crenicichla celidochilus — likely to require an intermediate donation
- Crenicichla chicha — likely to require an intermediate donation
- Crenicichla cincta — likely to require an intermediate donation
- Crenicichla compressiceps — likely to require an intermediate donation
- Crenicichla coppenamensis — likely to require an intermediate donation
- Crenicichla cyanonotus — likely to require an intermediate donation
- Crenicichla cyclostoma — likely to require an intermediate donation
- Crenicichla empheres — likely to require an intermediate donation
- Crenicichla frenata — likely to require an intermediate donation
- Crenicichla gaucho — likely to require an intermediate donation
- Crenicichla geayi — likely to require an intermediate donation
- Crenicichla gillmorlisi — likely to require an intermediate donation
- Crenicichla hadrostigma — likely to require an intermediate donation
- Crenicichla haroldoi — likely to require an intermediate donation
- Crenicichla heckeli — likely to require an intermediate donation
- Crenicichla hemera — likely to require an intermediate donation
- Crenicichla hu — likely to require an intermediate donation
- Crenicichla hummelincki — likely to require an intermediate donation
- Crenicichla igara — likely to require an intermediate donation
- Crenicichla iguapina — likely to require an intermediate donation
- Crenicichla iguassuensis — likely to require an intermediate donation
- Crenicichla inpa — likely to require an intermediate donation
- Crenicichla isbrueckeri — likely to require an intermediate donation
- Crenicichla jaguarensis — likely to require an intermediate donation
- Crenicichla jegui — likely to require an intermediate donation
- Crenicichla johanna — likely to require an intermediate donation
- Crenicichla jupiaensis — likely to require an intermediate donation
- Crenicichla jurubi — likely to require an intermediate donation
- Crenicichla labrina — likely to require an intermediate donation
- Crenicichla lacustris — likely to require an intermediate donation
- Crenicichla lenticulata — likely to require an intermediate donation
- Crenicichla lepidota — likely to require an intermediate donation
- Crenicichla lucenai — likely to require an intermediate donation
- Crenicichla lucius — likely to require an intermediate donation
- Crenicichla lugubris — likely to require an intermediate donation
- Crenicichla macrognatha — likely to require an intermediate donation
- Crenicichla macrophthalma — likely to require an intermediate donation
- Crenicichla maculata — likely to require an intermediate donation
- Crenicichla mandelburgeri — likely to require an intermediate donation
- Crenicichla marmorata — likely to require an intermediate donation
- Crenicichla menezesi — likely to require an intermediate donation
- Crenicichla minuano — likely to require an intermediate donation
- Crenicichla missioneira — likely to require an intermediate donation
- Crenicichla monicae — likely to require an intermediate donation
- Crenicichla mucuryna — likely to require an intermediate donation
- Crenicichla multispinosa — likely to require an intermediate donation
- Crenicichla nickeriensis — likely to require an intermediate donation
- Crenicichla niederleinii — likely to require an intermediate donation
- Crenicichla notophthalmus — likely to require an intermediate donation
- Crenicichla pellegrini — likely to require an intermediate donation
- Crenicichla percna — likely to require an intermediate donation
- Crenicichla phaiospilus — likely to require an intermediate donation
- Crenicichla ploegi — likely to require an intermediate donation
- Crenicichla prenda — likely to require an intermediate donation
- Crenicichla proteus — likely to require an intermediate donation
- Crenicichla punctata — likely to require an intermediate donation
- Crenicichla pydanielae — likely to require an intermediate donation
- Crenicichla regani — likely to require an intermediate donation
- Crenicichla reticulata — likely to require an intermediate donation
- Crenicichla rosemariae — likely to require an intermediate donation
- Crenicichla santosi — likely to require an intermediate donation
- Crenicichla saxatilis — likely to require an intermediate donation
- Crenicichla scottii — likely to require an intermediate donation
- Crenicichla sedentaria — likely to require an intermediate donation
- Crenicichla semicincta — likely to require an intermediate donation
- Crenicichla semifasciata — likely to require an intermediate donation
- Crenicichla sipaliwini — likely to require an intermediate donation
- Crenicichla stocki — likely to require an intermediate donation
- Crenicichla strigata — likely to require an intermediate donation
- Crenicichla sveni — likely to require an intermediate donation
- Crenicichla taikyra — likely to require an intermediate donation
- Crenicichla tapii — likely to require an intermediate donation
- Crenicichla tendybaguassu — likely to require an intermediate donation
- Crenicichla ternetzi — likely to require an intermediate donation
- Crenicichla tesay — likely to require an intermediate donation
- Crenicichla tigrina — likely to require an intermediate donation
- Crenicichla tingui — likely to require an intermediate donation
- Crenicichla tuca — likely to require an intermediate donation
- Crenicichla urosema — likely to require an intermediate donation
- Crenicichla vaillanti — likely to require an intermediate donation
- Crenicichla virgatula — likely to require an intermediate donation
- Crenicichla vittata — likely to require an intermediate donation
- Crenicichla wallacii — likely to require an intermediate donation
- Crenicichla yaha — likely to require an intermediate donation
- Crenicichla ypo — likely to require an intermediate donation
- Crenicichla zebrina — likely to require an intermediate donation
- Crenidens crenidens — likely to require a low level of donation
- Crenidens indicus — likely to require a low level of donation
- Crenidens macracanthus — likely to require a low level of donation
- Crenidens simplex — likely to require a low level of donation
- Crenilabrus maelops — likely to require a low level of donation
- Crenimugil crenilabis — likely to require an intermediate donation
- Crenimugil heterocheilos — likely to require an intermediate donation
- Crenuchus spilurus — likely to require an intermediate donation
- Creocele cardinalis — likely to require a low level of donation
- Creteuchiloglanis arunachalensis — likely to require an intermediate donation
- Creteuchiloglanis brachypterus — likely to require an intermediate donation
- Creteuchiloglanis bumdelingensis — likely to require an intermediate donation
- Creteuchiloglanis gongshanensis — likely to require an intermediate donation
- Creteuchiloglanis kamengensis — likely to require an intermediate donation
- Creteuchiloglanis longipectoralis — likely to require an intermediate donation
- Creteuchiloglanis macropterus — likely to require an intermediate donation
- Creteuchiloglanis payjab — likely to require an intermediate donation
- Cribroheros alfari — likely to require an intermediate donation
- Cribroheros altifrons — likely to require an intermediate donation
- Cribroheros bussingi — likely to require an intermediate donation
- Cribroheros diquis — likely to require an intermediate donation
- Cribroheros longimanus — likely to require an intermediate donation
- Cribroheros rhytisma — likely to require an intermediate donation
- Cribroheros robertsoni — likely to require an intermediate donation
- Cribroheros rostratus — likely to require an intermediate donation
- Crinodus lophodon — likely to require a low level of donation
- Cristacirrhitus punctatus — likely to require an intermediate donation
- Cristatogobius albius — likely to require an intermediate donation
- Cristatogobius aurimaculatus — likely to require an intermediate donation
- Cristatogobius lophius — likely to require an intermediate donation
- Cristatogobius nonatoae — likely to require an intermediate donation
- Cristatogobius rubripectoralis — likely to require an intermediate donation
- Cristiceps argyropleura — likely to require a low level of donation
- Cristiceps aurantiacus — likely to require a low level of donation
- Cristiceps australis — likely to require a low level of donation
- Crocodilichthys gracilis — likely to require a low level of donation
- Croilia mossambica — likely to require a low level of donation
- Cromeria nilotica — likely to require an intermediate donation
- Cromeria occidentalis — likely to require an intermediate donation
- Cromileptes altivelis — likely to require a low level of donation
- Crossocheilus atrilimes — likely to require an intermediate donation
- Crossocheilus cobitis — likely to require an intermediate donation
- Crossocheilus elegans — likely to require an intermediate donation
- Crossocheilus gnathopogon — likely to require an intermediate donation
- Crossocheilus langei — likely to require an intermediate donation
- Crossocheilus latius — likely to require an intermediate donation
- Crossocheilus microstoma — likely to require an intermediate donation
- Crossocheilus nigriloba — likely to require an intermediate donation
- Crossocheilus oblongus — likely to require an intermediate donation
- Crossocheilus obscurus — likely to require an intermediate donation
- Crossocheilus periyarensis — likely to require an intermediate donation
- Crossocheilus pseudobagroides — likely to require an intermediate donation
- Crossocheilus rawulensis — likely to require an intermediate donation
- Crossocheilus reticulatus — likely to require an intermediate donation
- Crossocheilus siamensis — likely to require an intermediate donation
- Crossoloricaria bahuaja — likely to require an intermediate donation
- Crossoloricaria cephalaspis — likely to require an intermediate donation
- Crossoloricaria rhami — likely to require an intermediate donation
- Crossoloricaria variegata — likely to require an intermediate donation
- Crossoloricaria venezuelae — likely to require an intermediate donation
- Crossorhombus azureus — likely to require a low level of donation
- Crossorhombus howensis — likely to require a low level of donation
- Crossorhombus kanekonis — likely to require a low level of donation
- Crossorhombus kobensis — likely to require a low level of donation
- Crossorhombus valderostratus — likely to require a low level of donation
- Crossosalarias macrospilus — likely to require an intermediate donation
- Crossostoma paucisquama — likely to require an intermediate donation
- Crossostomus chilensis — likely to require a low level of donation
- Crossostomus fasciatus — likely to require a low level of donation
- Crossostomus sobrali — likely to require a low level of donation
- Cruciglanis pacifici — likely to require an intermediate donation
- Cryodraco antarcticus — likely to require a low level of donation
- Cryodraco atkinsoni — likely to require a low level of donation
- Cryodraco pappenheimi — likely to require a low level of donation
- Cryothenia amphitreta — likely to require a low level of donation
- Cryothenia peninsulae — likely to require a low level of donation
- Cryptacanthodes aleutensis — likely to require a low level of donation
- Cryptacanthodes bergi — likely to require a low level of donation
- Cryptacanthodes giganteus — likely to require a low level of donation
- Cryptacanthodes maculatus — likely to require a low level of donation
- Cryptancistrus similis — likely to require an intermediate donation
- Cryptarius daugueti — likely to require an intermediate donation
- Cryptarius truncatus — likely to require an intermediate donation
- Cryptichthys jojettae — likely to require a low level of donation
- Cryptocentroides arabicus — likely to require a low level of donation
- Cryptocentroides cristatus — likely to require a low level of donation
- Cryptocentroides gobioides — likely to require a low level of donation
- Cryptocentroides insignis — likely to require a low level of donation
- Cryptocentrus albidorsus — likely to require a low level of donation
- Cryptocentrus altipinna — likely to require a low level of donation
- Cryptocentrus bulbiceps — likely to require a low level of donation
- Cryptocentrus caeruleomaculatus — likely to require a low level of donation
- Cryptocentrus caeruleopunctatus — likely to require a low level of donation
- Cryptocentrus callopterus — likely to require a low level of donation
- Cryptocentrus cebuanus — likely to require a low level of donation
- Cryptocentrus cryptocentrus — likely to require a low level of donation
- Cryptocentrus cyanospilotus — likely to require a low level of donation
- Cryptocentrus cyanotaenia — likely to require a low level of donation
- Cryptocentrus diproctotaenia — likely to require a low level of donation
- Cryptocentrus fasciatus — likely to require a low level of donation
- Cryptocentrus flavus — likely to require a low level of donation
- Cryptocentrus inexplicatus — likely to require a low level of donation
- Cryptocentrus insignitus — likely to require a low level of donation
- Cryptocentrus koumansi — likely to require a low level of donation
- Cryptocentrus leonis — likely to require a low level of donation
- Cryptocentrus leptocephalus — likely to require a low level of donation
- Cryptocentrus leucostictus — likely to require a low level of donation
- Cryptocentrus lutheri — likely to require a low level of donation
- Cryptocentrus malindiensis — likely to require a low level of donation
- Cryptocentrus maudae — likely to require a low level of donation
- Cryptocentrus melanopus — likely to require a low level of donation
- Cryptocentrus multicinctus — likely to require a low level of donation
- Cryptocentrus nigrocellatus — likely to require a low level of donation
- Cryptocentrus niveatus — likely to require a low level of donation
- Cryptocentrus octofasciatus — likely to require a low level of donation
- Cryptocentrus pavoninoides — likely to require a low level of donation
- Cryptocentrus polyophthalmus — likely to require a low level of donation
- Cryptocentrus pretiosus — likely to require a low level of donation
- Cryptocentrus sericus — likely to require a low level of donation
- Cryptocentrus shigensis — likely to require a low level of donation
- Cryptocentrus singapurensis — likely to require a low level of donation
- Cryptocentrus strigilliceps — likely to require a low level of donation
- Cryptocentrus tentaculatus — likely to require a low level of donation
- Cryptocentrus wehrlei — likely to require a low level of donation
- Cryptocentrus yatsui — likely to require a low level of donation
- Cryptoheros chetumalensis — likely to require an intermediate donation
- Cryptoheros cutteri — likely to require an intermediate donation
- Cryptoheros panamensis — likely to require an intermediate donation
- Cryptoheros spilurus — likely to require an intermediate donation
- Cryptomyrus ogoouensis — likely to require an intermediate donation
- Cryptomyrus ona — likely to require an intermediate donation
- Cryptopsaras couesii — likely to require an intermediate donation
- Cryptopsilotris batrachodes — likely to require an intermediate donation
- Cryptotomus roseus — likely to require a low level of donation
- Cryptotora thamicola — likely to require an intermediate donation
- Cryptotrema corallinum — likely to require a low level of donation
- Cryptotrema seftoni — likely to require a low level of donation
- Crystallaria asprella — likely to require a low level of donation
- Crystallaria cincotta — likely to require a low level of donation
- Crystallias matsushimae — likely to require an intermediate donation
- Crystallichthys cameliae — likely to require a low level of donation
- Crystallichthys cyclospilus — likely to require a low level of donation
- Crystallichthys mirabilis — likely to require a low level of donation
- Crystallodytes cookei — likely to require an intermediate donation
- Crystallodytes enderburyensis — likely to require an intermediate donation
- Crystallodytes pauciradiatus — likely to require an intermediate donation
- Crystallogobius linearis — likely to require an intermediate donation
- Cteniloricaria fowleri — likely to require an intermediate donation
- Cteniloricaria maculata — likely to require an intermediate donation
- Cteniloricaria napova — likely to require an intermediate donation
- Cteniloricaria platystoma — likely to require an intermediate donation
- Ctenobrycon alleni — likely to require an intermediate donation
- Ctenobrycon hauxwellianus — likely to require an intermediate donation
- Ctenobrycon multiradiatus — likely to require an intermediate donation
- Ctenobrycon oliverai — likely to require an intermediate donation
- Ctenobrycon spilurus — likely to require an intermediate donation
- Ctenochaetus binotatus — likely to require a low level of donation
- Ctenochaetus cyanocheilus — likely to require a low level of donation
- Ctenochaetus flavicauda — likely to require a low level of donation
- Ctenochaetus hawaiiensis — likely to require a low level of donation
- Ctenochaetus marginatus — likely to require a low level of donation
- Ctenochaetus striatus — likely to require a low level of donation
- Ctenochaetus strigosus — likely to require a low level of donation
- Ctenochaetus tominiensis — likely to require a low level of donation
- Ctenochaetus truncatus — likely to require a low level of donation
- Ctenocheirodon pristis — likely to require an intermediate donation
- Ctenochirichthys longimanus — likely to require an intermediate donation
- Ctenochromis horei — likely to require an intermediate donation
- Ctenochromis luluae — likely to require an intermediate donation
- Ctenochromis pectoralis — likely to require an intermediate donation
- Ctenochromis polli — likely to require an intermediate donation
- Ctenogobiops aurocingulus — likely to require a low level of donation
- Ctenogobiops crocineus — likely to require a low level of donation
- Ctenogobiops feroculus — likely to require a low level of donation
- Ctenogobiops formosa — likely to require a low level of donation
- Ctenogobiops maculosus — likely to require a low level of donation
- Ctenogobiops mitodes — likely to require a low level of donation
- Ctenogobiops phaeostictus — likely to require a low level of donation
- Ctenogobiops pomastictus — likely to require a low level of donation
- Ctenogobiops tangaroai — likely to require a low level of donation
- Ctenogobiops tongaensis — likely to require a low level of donation
- Ctenogobius aestivaregia — likely to require an intermediate donation
- Ctenogobius boleosoma — likely to require an intermediate donation
- Ctenogobius brevirostris — likely to require an intermediate donation
- Ctenogobius cervicosquamus — likely to require an intermediate donation
- Ctenogobius chengtuensis — likely to require an intermediate donation
- Ctenogobius clarki — likely to require an intermediate donation
- Ctenogobius claytonii — likely to require an intermediate donation
- Ctenogobius fasciatus — likely to require an intermediate donation
- Ctenogobius fukushimai — likely to require an intermediate donation
- Ctenogobius laevelli — likely to require an intermediate donation
- Ctenogobius lepturus — likely to require an intermediate donation
- Ctenogobius maculosus — likely to require an intermediate donation
- Ctenogobius manglicola — likely to require an intermediate donation
- Ctenogobius mitodes — likely to require an intermediate donation
- Ctenogobius notophthalmus — likely to require an intermediate donation
- Ctenogobius phenacus — likely to require an intermediate donation
- Ctenogobius pseudofasciatus — likely to require an intermediate donation
- Ctenogobius punctatus — likely to require an intermediate donation
- Ctenogobius rabori — likely to require an intermediate donation
- Ctenogobius saepepallens — likely to require an intermediate donation
- Ctenogobius sagittula — likely to require an intermediate donation
- Ctenogobius shennongensis — likely to require an intermediate donation
- Ctenogobius shufeldti — likely to require an intermediate donation
- Ctenogobius smaragdus — likely to require an intermediate donation
- Ctenogobius stigmaticus — likely to require an intermediate donation
- Ctenogobius stigmaturus — likely to require an intermediate donation
- Ctenogobius szechuanensis — likely to require an intermediate donation
- Ctenogobius thoropsis — likely to require an intermediate donation
- Ctenogobius vexillifer — likely to require an intermediate donation
- Ctenolabrus rupestris — likely to require a low level of donation
- Ctenolucius beani — likely to require an intermediate donation
- Ctenolucius hujeta — likely to require an intermediate donation
- Ctenopharyngodon idella — likely to require an intermediate donation
- Ctenopharynx intermedius — likely to require a low level of donation
- Ctenopharynx nitidus — likely to require a low level of donation
- Ctenopharynx pictus — likely to require a low level of donation
- Ctenopoma acutirostre — likely to require an intermediate donation
- Ctenopoma ashbysmithi — likely to require an intermediate donation
- Ctenopoma gabonense — likely to require an intermediate donation
- Ctenopoma garuanum — likely to require an intermediate donation
- Ctenopoma houyi — likely to require an intermediate donation
- Ctenopoma kingsleyae — likely to require an intermediate donation
- Ctenopoma maculatum — likely to require an intermediate donation
- Ctenopoma multispine — likely to require an intermediate donation
- Ctenopoma muriei — likely to require an intermediate donation
- Ctenopoma nebulosum — likely to require an intermediate donation
- Ctenopoma nigropannosum — likely to require an intermediate donation
- Ctenopoma ocellatum — likely to require an intermediate donation
- Ctenopoma pellegrini — likely to require an intermediate donation
- Ctenopoma petherici — likely to require an intermediate donation
- Ctenopoma riggenbachi — likely to require an intermediate donation
- Ctenopoma togoensis — likely to require an intermediate donation
- Ctenopoma weeksii — likely to require an intermediate donation
- Ctenops nobilis — likely to require an intermediate donation
- Ctenosciaena gracilicirrhus — likely to require an intermediate donation
- Ctenosciaena peruviana — likely to require an intermediate donation
- Ctenotrypauchen chinensis — likely to require an intermediate donation
- Cualac tessellatus — likely to require an intermediate donation
- Cubanichthys cubensis — likely to require an intermediate donation
- Cubanichthys pengelleyi — likely to require an intermediate donation
- Cubiceps baxteri — likely to require an intermediate donation
- Cubiceps caeruleus — likely to require an intermediate donation
- Cubiceps capensis — likely to require an intermediate donation
- Cubiceps gracilis — likely to require an intermediate donation
- Cubiceps kotlyari — likely to require an intermediate donation
- Cubiceps macrolepis — likely to require an intermediate donation
- Cubiceps nanus — likely to require an intermediate donation
- Cubiceps paradoxus — likely to require an intermediate donation
- Cubiceps pauciradiatus — likely to require an intermediate donation
- Cubiceps squamiceps — likely to require an intermediate donation
- Cubiceps whiteleggii — likely to require an intermediate donation
- Culaea inconstans — likely to require an intermediate donation
- Culter alburnus — likely to require an intermediate donation
- Culter brevicauda — likely to require an intermediate donation
- Culter oxycephaloides — likely to require an intermediate donation
- Cultrichthys compressocorpus — likely to require an intermediate donation
- Cunningtonia longiventralis — likely to require an intermediate donation
- Curculionichthys coxipone — likely to require an intermediate donation
- Curculionichthys hera — likely to require an intermediate donation
- Curculionichthys insperatus — likely to require an intermediate donation
- Curculionichthys itaim — likely to require an intermediate donation
- Curculionichthys karipuna — likely to require an intermediate donation
- Curculionichthys paresi — likely to require an intermediate donation
- Curculionichthys sabaji — likely to require an intermediate donation
- Curculionichthys sagarana — likely to require an intermediate donation
- Curculionichthys tukana — likely to require an intermediate donation
- Curimata acutirostris — likely to require an intermediate donation
- Curimata aspera — likely to require an intermediate donation
- Curimata bimaculata — likely to require an intermediate donation
- Curimata cerasina — likely to require an intermediate donation
- Curimata cisandina — likely to require an intermediate donation
- Curimata cyprinoides — likely to require an intermediate donation
- Curimata incompta — likely to require an intermediate donation
- Curimata inornata — likely to require an intermediate donation
- Curimata knerii — likely to require an intermediate donation
- Curimata macrops — likely to require an intermediate donation
- Curimata mivartii — likely to require an intermediate donation
- Curimata ocellata — likely to require an intermediate donation
- Curimata roseni — likely to require an intermediate donation
- Curimata vittata — likely to require an intermediate donation
- Curimatella alburna — likely to require an intermediate donation
- Curimatella dorsalis — likely to require an intermediate donation
- Curimatella immaculata — likely to require an intermediate donation
- Curimatella lepidura — likely to require an intermediate donation
- Curimatella meyeri — likely to require an intermediate donation
- Curimatopsis crypticus — likely to require an intermediate donation
- Curimatopsis evelynae — likely to require an intermediate donation
- Curimatopsis macrolepis — likely to require an intermediate donation
- Curimatopsis microlepis — likely to require an intermediate donation
- Curimatopsis myersi — likely to require an intermediate donation
- Cyanocharax alburnus — likely to require a low level of donation
- Cyanocharax alegretensis — likely to require a low level of donation
- Cyanocharax alegretesis — likely to require a low level of donation
- Cyanocharax dicropotamicus — likely to require a low level of donation
- Cyanocharax itaimbe — likely to require a low level of donation
- Cyanocharax lepiclastus — likely to require a low level of donation
- Cyanocharax obi — likely to require a low level of donation
- Cyanocharax tipiaia — likely to require a low level of donation
- Cyanocharax uruguayensis — likely to require a low level of donation
- Cyathochromis obliquidens — likely to require an intermediate donation
- Cyathopharynx foae — likely to require an intermediate donation
- Cyathopharynx furcifer — likely to require an intermediate donation
- Cybiosarda elegans — likely to require an intermediate donation
- Cycleptus elongatus — likely to require an intermediate donation
- Cycleptus meridionalis — likely to require an intermediate donation
- Cyclichthys hardenbergi — likely to require an intermediate donation
- Cyclichthys orbicularis — likely to require an intermediate donation
- Cyclichthys spilostylus — likely to require an intermediate donation
- Cyclocheilichthys enoplos — likely to require an intermediate donation
- Cyclocheilichthys furcatus — likely to require an intermediate donation
- Cyclocheilichthys heteronema — likely to require an intermediate donation
- Cyclocheilichthys janthochir — likely to require an intermediate donation
- Cyclocheilichthys lagleri — likely to require an intermediate donation
- Cyclocheilichthys schoppeae — likely to require an intermediate donation
- Cyclocheilichthys sinensis — likely to require an intermediate donation
- Cyclocheilos enoplos — likely to require an intermediate donation
- Cyclopharynx fwae — likely to require an intermediate donation
- Cyclopharynx schwetzi — likely to require an intermediate donation
- Cyclopsetta chittendeni — likely to require a low level of donation
- Cyclopsetta fimbriata — likely to require a low level of donation
- Cyclopsetta panamensis — likely to require a low level of donation
- Cyclopsetta querna — likely to require a low level of donation
- Cyclopsis tentacularis — likely to require a low level of donation
- Cyclopteropsis bergi — likely to require a low level of donation
- Cyclopteropsis brashnikowi — likely to require a low level of donation
- Cyclopteropsis inarmatus — likely to require a low level of donation
- Cyclopteropsis jordani — likely to require a low level of donation
- Cyclopteropsis lindbergi — likely to require a low level of donation
- Cyclopteropsis mcalpini — likely to require a low level of donation
- Cyclopteropsis popovi — likely to require a low level of donation
- Cyclopterus lumpus — likely to require an intermediate donation
- Cyclothone acclinidens — likely to require an intermediate donation
- Cyclothone alba — likely to require an intermediate donation
- Cyclothone atraria — likely to require an intermediate donation
- Cyclothone braueri — likely to require an intermediate donation