Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Hedgehog Seahorse
Hippocampus spinosissimus
Hedgehog Seahorse
Also known as: Queensland Seahorse
Category: Seahorses
Scientific Name: Hippocampus spinosissimus
Size: Up to 6 in. (15 cm)  
Distribution: Indonesia, Australia, Philippines, Malaysia, Papua New Guinea
Chordata (Phylum)
└Vertebrata (Subphylum)
 └Osteichthyes (Parvphylum)
  └Actinopterygii (Gigaclass)
   └Teleostei (Class)
    └Syngnathiformes (Order)
     └Syngnathidae (Family)
      └Syngnathinae (Subfamily)
       └Hippocampus (Genus)
        └H. spinosissimus (Species)
WoRMS ID: 275210🔗
iNaturalist ID: 102835🔗

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© 2026 Florent Charpin