HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesShort-head seahorse Short-head seahorse (Hippocampus breviceps) Scientific name: Hippocampus breviceps Peters, 1869 The Short-head seahorse (Hippocampus breviceps) is a marine fish of the family Syngnathidae. BiologyAdults inhabit inshore waters. Occur in small to large aggregations in weed patches attached to rocks on sand, mostly in Sargassum weeds. 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 brevicepsFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Common length12.0Depth range15 m (49 ft)EnvironmentMarine; demersal; non-migratory; depth range ? - 15 mClimateTemperateDistributionIndo-Pacific: endemic to south west Australia. International trade is monitored through a licensing system (CITES II, since 5.15.04) and a minimum size of 10 cm applies.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec=50-100) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026