Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Great Seahorse
Hippocampus kelloggi
Great Seahorse
Also known as: Kellogg's Seahorse
Category: Seahorses
Scientific Name: Hippocampus kelloggi
Size: Up to 6 in. (15 cm)  
Distribution: Indonesia, Philippines
Chordata (Phylum) Chordates
└Vertebrata (Subphylum) Vertebrates
 └Osteichthyes (Parvphylum) Bony Fishes
  └Actinopterygii (Gigaclass) Ray-Finned Fish
   └Teleostei (Class) Teleosts
    └Syngnathiformes (Order)
     └Syngnathidae (Family) Seahorses and Pipefishes
      └Syngnathinae (Subfamily)
       └Hippocampus (Genus) Seahorses
        └H. kelloggi (Species)
WoRMS ID: 212236🔗
iNaturalist ID: 102826🔗

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© 2026 Florent Charpin