- Hippocampus alatus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus algiricus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus angustus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus barbouri — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus biocellatus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus borboniensis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus breviceps — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus camelopardalis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus capensis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus casscsio — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus colemani — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus comes — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus coronatus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus curvicuspis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus debelius — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus erectus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus fisheri — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus fuscus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus grandiceps — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus guttulatus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus haema — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus hendriki — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus hilonis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus histrix — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus ingens — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus japapigu — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus japonicus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus jayakari — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus jugumus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus kelloggi — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus kuda — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus lichtensteinii — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus minotaur — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus mohnikei — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus montebelloensis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus multispinus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus nuda — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus paradoxus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus procerus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus pusillus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus queenslandicus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus ramulosus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus reidi — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus satomiae — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus semispinosus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus severnsi — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus sindonis — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus spinosissimus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus subelongatus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus trimaculatus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus tyro — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus waleananus — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus whitei — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus zebra — sponsorship potentially possible via negotiation: contact mail@onezoom.org
- Hippocampus zosterae — sponsorship potentially possible via negotiation: contact mail@onezoom.org