HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesDenise's pygmy seahorse Denise's pygmy seahorse (Hippocampus denise) Scientific name: Hippocampus denise Lourie & Randall, 2003 The Denise's pygmy seahorse (Hippocampus denise) is a marine fish of the family Syngnathidae. BiologyLives in association with gorgonian seafans (Annella reticulata, Muricella sp., and Echinogorgia sp.). Master of camouflage, with their coloration and body ornamentation in the form of tubercles, can match the stems and polyps of their gorgonian hosts. Ovoviviparous. The male carries the eggs in a brood pouch which is found under the tail.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHippocampus deniseFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length2.2Depth range13–90 m (43–295 ft)EnvironmentMarine; reef-associated; depth range 13 - 90 mClimateTropicalDistributionWestern Pacific: apparently more widespread than Indonesia, Vanuatu and Palau. Observed from Malaysia, Solomon Islands and Pohn Pei, Micronesia. International trade is monitored through a licensing system (CITES II, since 5.15.04).Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026