| argentina | | hippocampus patagonicus | species | 6 | 0 |
| australia | | hippocampus abdominalis | species | 11 | 0 |
| australia | | hippocampus angustus | species | 6 | 0 |
| australia | | hippocampus bargibanti | species | 3 | 0 |
| australia | | hippocampus breviceps | species | 2 | 0 |
| australia | | hippocampus queenslandicus | species | 5 | 0 |
| australia | | hippocampus subelongatus | species | 1 | 0 |
| australia | | hippocampus whitei | species | 10 | 0 |
| australia | new south wales | hippocampus whitei | species | 33 | 3 |
| australia | queensland | hippocampus queenslandicus | species | 6 | 0 |
| australia | queensland | hippocampus whitei | species | 4 | 0 |
| australia | tasmania | hippocampus bargibanti | species | 111 | 0 |
| australia | western australia | hippocampus angustus | species | 2 | 0 |
| australia | western australia | hippocampus biocellatus | species | 1 | 0 |
| bahamas | | hippocampus erectus | species | 27 | 0 |
| benin | | hippocampus algiricus | species | 2 | 0 |
| brazil | | hippocampus patagonicus | species | 5 | 0 |
| brazil | | hippocampus reidi | species | 2 | 0 |
| brazil | bahia | hippocampus reidi | species | 1 | 0 |
| brazil | ceara | hippocampus reidi | species | 1 | 0 |
| brazil | pernambuco | hippocampus reidi | species | 0 | 1 |
| brazil | santa catarina | hippocampus reidi | species | 0 | 1 |
| bulgaria | | hippocampus guttulatus | species | 13 | 0 |
| cambodia | | hippocampus spinosissimus | species | 7 | 0 |
| cambodia | | hippocampus trimaculatus | species | 3 | 0 |
| china | | hippocampus barbouri | species | 26 | 0 |
| china | | hippocampus casscsio | species | 3 | 0 |
| china | | hippocampus comes | species | 23 | 0 |
| china | | hippocampus erectus | species | 36 | 0 |
| china | | hippocampus histrix | species | 2 | 0 |
| china | | hippocampus kelloggi | species | 5 | 0 |
| china | | hippocampus kuda | species | 3 | 0 |
| china | | hippocampus mohnikei | species | 215 | 0 |
| china | | hippocampus spinosissimus | species | 4 | 0 |
| china | | hippocampus trimaculatus | species | 41 | 0 |
| china | chongqing | hippocampus kuda | species | 20 | 0 |
| china | guangdong | hippocampus kelloggi | species | 2 | 0 |
| china | guangdong | hippocampus spinosissimus | species | 5 | 0 |
| china | guangdong | hippocampus trimaculatus | species | 4 | 0 |
| china | inner mongolia | hippocampus kuda | species | 1 | 0 |
| china | inner mongolia | hippocampus mohnikei | species | 2 | 0 |
| denmark | | hippocampus guttulatus | species | 1 | 0 |
| ecuador | | hippocampus ingens | species | 1 | 0 |
| ecuador | galapagos province | hippocampus ingens | species | 6 | 0 |
| egypt | | hippocampus fuscus | species | 20 | 0 |
| fiji | | hippocampus kuda | species | 1 | 0 |
| france | | hippocampus guttulatus | species | 16 | 0 |
| france | aquitaine region | hippocampus guttulatus | species | 8 | 0 |
| france | languedoc-roussillon region | hippocampus guttulatus | species | 1 | 0 |
| france | rhone-alpes region | hippocampus hippocampus | species | 3 | 0 |
| greece | | hippocampus guttulatus | species | 10 | 0 |
| honduras | | hippocampus erectus | species | 1 | 0 |
| india | | hippocampus histrix | species | 1 | 0 |
| india | | hippocampus kelloggi | species | 2 | 0 |
| india | | hippocampus kuda | species | 90 | 0 |
| india | | hippocampus mohnikei | species | 9 | 0 |
| india | | hippocampus trimaculatus | species | 15 | 0 |
| india | tamil nadu | hippocampus kelloggi | species | 1 | 0 |
| india | tamil nadu | hippocampus kuda | species | 1 | 0 |
| india | tamil nadu | hippocampus trimaculatus | species | 1 | 0 |
| indonesia | | hippocampus barbouri | species | 19 | 0 |
| indonesia | | hippocampus bargibanti | species | 3 | 0 |
| indonesia | | hippocampus comes | species | 7 | 0 |
| indonesia | | hippocampus denise | species | 9 | 0 |
| indonesia | | hippocampus kuda | species | 40 | 0 |
| indonesia | | hippocampus pontohi | species | 28 | 0 |
| indonesia | | hippocampus spinosissimus | species | 23 | 0 |
| indonesia | | hippocampus trimaculatus | species | 15 | 0 |
| indonesia | papua province | hippocampus cf. barbouri bold:aaf0603 | species | 1 | 0 |
| indonesia | west papua province | hippocampus bargibanti | species | 1 | 0 |
| iran | bushire province | hippocampus kuda | species | 2 | 0 |
| iran | bushire province | hippocampus trimaculatus | species | 2 | 0 |
| iran | hormozgan province | hippocampus trimaculatus | species | 2 | 0 |
| israel | southern district | hippocampus histrix | species | 1 | 0 |
| israel | southern district | hippocampus kelloggi | species | 1 | 0 |
| israel | southern district | hippocampus kuda | species | 1 | 0 |
| italy | | hippocampus guttulatus | species | 2 | 0 |
| italy | apulia region | hippocampus guttulatus | species | 8 | 0 |
| italy | campania region | hippocampus guttulatus | species | 5 | 0 |
| italy | veneto region | hippocampus guttulatus | species | 13 | 0 |
| japan | | hippocampus coronatus | species | 14 | 0 |
| japan | | hippocampus haema | species | 24 | 0 |
| japan | | hippocampus mohnikei | species | 4 | 0 |
| japan | | hippocampus sindonis | species | 7 | 0 |
| japan | chiba prefecture | hippocampus coronatus | species | 5 | 0 |
| japan | kochi prefecture | hippocampus trimaculatus | species | 1 | 0 |
| japan | kyoto prefecture | hippocampus coronatus | species | 1 | 0 |
| japan | mie prefecture | hippocampus sindonis | species | 1 | 0 |
| madagascar | | hippocampus borboniensis | species | 1 | 0 |
| malaysia | | hippocampus barbouri | species | 2 | 0 |
| malaysia | | hippocampus comes | species | 1 | 0 |
| malaysia | | hippocampus kuda | species | 23 | 0 |
| malaysia | | hippocampus spinosissimus | species | 34 | 0 |
| malaysia | | hippocampus trimaculatus | species | 14 | 0 |
| malaysia | johor | hippocampus spinosissimus | species | 5 | 0 |
| mexico | | hippocampus erectus | species | 1 | 0 |
| mexico | | hippocampus ingens | species | 2 | 0 |
| mexico | | hippocampus reidi | species | 4 | 0 |
| mexico | oaxaca | hippocampus ingens | species | 5 | 0 |
| mexico | sinaloa | hippocampus ingens | species | 6 | 0 |
| mozambique | | hippocampus histrix | species | 1 | 0 |
| mozambique | | hippocampus kuda | species | 1 | 0 |
| myanmar | | hippocampus kelloggi | species | 1 | 0 |
| myanmar | | hippocampus spinosissimus | species | 2 | 0 |
| new zealand | | hippocampus abdominalis | species | 47 | 0 |
| new zealand | wellington | hippocampus abdominalis | species | 1 | 0 |
| nicaragua | | hippocampus erectus | species | 2 | 0 |
| papua new guinea | | hippocampus denise | species | 2 | 0 |
| papua new guinea | | hippocampus kuda | species | 3 | 0 |
| papua new guinea | | hippocampus trimaculatus | species | 8 | 0 |
| peru | | hippocampus ingens | species | 14 | 0 |
| philippines | | hippocampus barbouri | species | 8 | 0 |
| philippines | | hippocampus capensis | species | 1 | 0 |
| philippines | | hippocampus casscsio | species | 4 | 0 |
| philippines | | hippocampus comes | species | 10 | 0 |
| philippines | | hippocampus kuda | species | 48 | 0 |
| philippines | | hippocampus spinosissimus | species | 10 | 0 |
| philippines | | hippocampus trimaculatus | species | 2 | 0 |
| philippines | central visayas region | hippocampus spinosissimus | species | 1 | 0 |
| portugal | | hippocampus guttulatus | species | 24 | 0 |
| portugal | | hippocampus hippocampus | species | 2 | 0 |
| portugal | faro district | hippocampus guttulatus | species | 1 | 0 |
| saudi arabia | | hippocampus kuda | species | 1 | 0 |
| senegal | | hippocampus algiricus | species | 2 | 0 |
| south africa | | hippocampus capensis | species | 11 | 0 |
| south africa | | hippocampus kuda | species | 7 | 0 |
| south korea | | hippocampus haema | species | 36 | 0 |
| spain | | hippocampus guttulatus | species | 3 | 0 |
| spain | canary islands | hippocampus algiricus | species | 0 | 1 |
| spain | canary islands | hippocampus hippocampus | species | 0 | 1 |
| spain | galicia | hippocampus guttulatus | species | 0 | 3 |
| taiwan | | hippocampus comes | species | 2 | 0 |
| taiwan | | hippocampus histrix | species | 1 | 0 |
| taiwan | | hippocampus kuda | species | 4 | 0 |
| taiwan | | hippocampus trimaculatus | species | 5 | 0 |
| tanzania | | hippocampus borboniensis | species | 1 | 0 |
| tanzania | | hippocampus camelopardalis | species | 2 | 0 |
| tanzania | | hippocampus kuda | species | 1 | 0 |
| thailand | | hippocampus kuda | species | 6 | 0 |
| thailand | | hippocampus spinosissimus | species | 9 | 0 |
| thailand | | hippocampus trimaculatus | species | 5 | 0 |
| turkey | canakkale province | hippocampus guttulatus | species | 1 | 0 |
| turkey | icel province | hippocampus hippocampus | species | 3 | 0 |
| turkey | kocaeli province | hippocampus guttulatus | species | 1 | 0 |
| united kingdom | england | hippocampus hippocampus | species | 1 | 0 |
| united states | | hippocampus erectus | species | 2 | 0 |
| united states | | hippocampus fisheri | species | 2 | 0 |
| united states | | hippocampus ingens | species | 8 | 0 |
| united states | | hippocampus zosterae | species | 9 | 0 |
| united states | california | hippocampus ingens | species | 18 | 0 |
| united states | florida | hippocampus erectus | species | 3 | 0 |
| united states | florida | hippocampus zosterae | species | 437 | 1 |
| united states | hawaii | hippocampus fisheri | species | 2 | 0 |
| united states | hawaii | hippocampus kuda | species | 1 | 0 |
| united states | maryland | hippocampus erectus | species | 3 | 0 |
| united states | virginia | hippocampus erectus | species | 1 | 0 |
| venezuela | | hippocampus reidi | species | 8 | 0 |
| vietnam | | hippocampus comes | species | 1 | 0 |
| vietnam | | hippocampus kelloggi | species | 2 | 0 |
| vietnam | | hippocampus kuda | species | 4 | 0 |
| vietnam | | hippocampus mohnikei | species | 2 | 0 |
| vietnam | | hippocampus spinosissimus | species | 3 | 0 |
| vietnam | | hippocampus trimaculatus | species | 5 | 0 |
| vietnam | ho chi minh city | hippocampus kuda | species | 4 | 0 |
| vietnam | khanh hoa province | hippocampus histrix | species | 1 | 0 |
| vietnam | khanh hoa province | hippocampus trimaculatus | species | 1 | 0 |