Florent's Guide To The

Tropical 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)
   └Actinopteri (Superclass)
    └Teleostei (Class)
     └Syngnathiformes (Order)
      └Syngnathidae (Family)
       └Syngnathinae (Subfamily)
        └Hippocampus (Genus)
         └H. spinosissimus (Species)

All Photographs
© 2026 Florent Charpin