A Guide to the Identification of Seahorses by S.A Lourie, S.J. Foster, E.W.T. Cooper and A.C.J. Vincent (2004). Project Seahorse and TRAFFIC North America. Washington D.C., University of British Columbia and World Wildlife Fund. Illustrations by Laurence Richardson. This publication is available here as a single PDF file or in sections.
| Big-belly seahorse, Hippocampus abdominalis |
West African seahorse, Hippocampus algiricus |
| Narrow-bellied seahorse, Hippocampus angustus |
Barbour's seahorse, Hippocampus barbouri |
| Bargibant's seahorse, Hippocampus bargibanti |
Reunion seahorse, Hippocampus borboniensis |
| Short-headed seahorse, Hippocampus breviceps |
Giraffee seahorse, Hippocampus camelopardalis |
| Cape/Knysna seahorse, Hippocampus capensis |
Tiger tail seahorse, Hippocampus comes |
| Crowned seahorse, Hippocampus coronatus |
Dwarf seahorse, Hippocampus zosterae |
| Denise's seahorse, Hippocampus denise |
Lined seahorse, Hippocampus erectus |
| Fisher's seahorse, Hippocampus fisheri |
Sea pony, Hippocampus fuscus |
| Long-snouted seahorse, Hippocampus guttulatus |
Short-snouted seahorse, Hippocampus hippocampus |
| Thorny seahorse, Hippocampus histrix |
Pacific seahorse, Hippocampus ingens |
| Jayakar's seahorse, Hippocampus jayakari |
Kellogg's seahorse, Hippocampus kelloggi |
| Yellow seahorse, Hippocampus kuda |
Lichtenstein's seahorse, Hippocampus lichtensteinii |
| Bullneck seahorse, Hippocampus minotaur |
Japanese seahorse, Hippocampus mohnikei |
| Slender seahorse, Hippocampus reidi |
Shiho's seahorse, Hippocampus sindonis |
| Hedgehog seahorse, Hippocampus spinosissimus |
West Australian seahorse, Hippocampus subelongatus |
| Three-spot seahorse, Hippocampus trimaculatus |
White's seahorse, Hippocampus whitei |
| Zebra seahorse, Hippocampus zebra |
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Easy-to-use, interactive, online identification guides for identifying all seahorse species (dried or live) and the seahorse species found in the nine focal CITES Parties/countries can be found at HippocampusInfo.org.