Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Double-Ended Pipefish
Syngnathoides biaculeatus
Double-Ended Pipefish
Also known as: Alligator Pipefish
Category: Pipefishes
Scientific Name: Syngnathoides biaculeatus
Size: Up to 11 in. (28 cm)  
Depth: 3-30 ft. (1-10 m)
Distribution: Indo-West Pacific, Red Sea, Australia
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)
       └Syngnathoides (Genus) Pipefishes
        └S. biaculeatus (Species)
WoRMS ID: 218035🔗
iNaturalist ID: 69834🔗

All Photographs
© 2026 Florent Charpin