HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesNew Caledonian thorny seahorse New Caledonian thorny seahorse (Hippocampus curvicuspis) Scientific name: Hippocampus curvicuspis Fricke, 2004 The New Caledonian thorny seahorse (Hippocampus curvicuspis) is a marine fish of the family Syngnathidae. Native range: Western Pacific, New Caledonia. BiologyDorsal soft rays (total): 17. This large spiny seahorse is distinguished by the having 17 dorsal fin rays; 17-18 pectoral fin rays; 11 trunk rings; 35-37 tail rings; subdorsal spines 3/0,1,0; moderately large nose spine, height about equal to pupil diameter; double spine above eyes which are moderately long, shorter than eye diameter; single lateral head spine; raised coronet with 4 large spines; restricted gill openings, not close together near the neck ridge; shoulder rings not confluent over neck ridge, not forming continuous collar; the upper shoulder ring spine opposite 11th pectoral fin ray; trunk and tail ridges with many large, curved spines; snout length approximately 57% of head length.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHippocampus curvicuspisFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length9.76Depth range6 m (20 ft)EnvironmentMarine; demersal; depth range 6 - ? mClimateTropicalDistributionWestern Pacific: New Caledonia.Conservation status (IUCN)Not EvaluatedThreat 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