HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesBlack-breasted pipefish Black-breasted pipefish (Corythoichthys nigripectus) Scientific name: Corythoichthys nigripectus Herald, 1953 The Black-breasted pipefish (Corythoichthys nigripectus) is a marine fish of the family Syngnathidae. Native range: Indo-Pacific, northern Red Sea and from Ulithi Atoll (Caroline Islands) eastward to the Society Islands. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 25-31Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCorythoichthys nigripectusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Depth range4–28 m (13–92 ft)EnvironmentMarine; reef-associated; depth range 4 - 28 mClimateTropicalDistributionIndo-Pacific: northern Red Sea and from Ulithi Atoll (Caroline Islands) eastward to the Society Islands.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