HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesD'Arros pipefish D'Arros pipefish (Cosmocampus darrosanus) Scientific name: Cosmocampus darrosanus Dawson & Randall, 1975 The D'Arros pipefish (Cosmocampus darrosanus) is a marine fish of the family Syngnathidae. Native range: Indo-West Pacific, Mozambique to Queensland, Australia; Guam in Micronesia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 22-23Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCosmocampus darrosanusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length7.4Depth range0–3 m (0–10 ft)EnvironmentMarine; reef-associated; depth range 0 - 3 mClimateTropicalDistributionIndo-West Pacific: Mozambique to Queensland, Australia; Guam in Micronesia.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