| Citation | Kuiter, R.H., 2001, Revision of the Australian seahorses of the genus Hippocampus (Syngnathiformes: Syngnathidae) with descriptions of nine new species.. Rec. Aus. Mus. 53:293-340. |
| Ref. | 42735 Kuiter, R.H., 2001 |
| Page | 333 |
| Named Used as Valid | Hippocampus hendriki |
| Comment | max length; common name; |
| Locality | Australia: Cape York, Queensland |
| Distribution | Western Central Pacific: Australia (restricted to inner Great Barrier Reef area, from the Capricorn region to Cape York, Queensland); 16-25 m. |
| Quote | 10.4 OT (female); Eastern spiny seahorse; maximum length based on a straight-line length measurement from upper surface (ignoring spines) of first trunk ring, to tip of tail; |