HomeMarine aquarium fishSeahorses & pipefishMessmate pipefish Messmate pipefish (Corythoichthys haematopterus) Scientific name: Corythoichthys haematopterus Bleeker, 1851 The Messmate pipefish (Corythoichthys haematopterus) is a marine fish of the family Syngnathidae. Native range: Indo-Pacific, East Africa to Vanuatu, north to southern Japan. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 23-33. Fine lines on the head and series of spots over the back and along trunk; caudal fin mainly pink.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCorythoichthys haematopterusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length19.8Depth range0–21 m (0–69 ft)EnvironmentMarine; reef-associated; depth range 0 - 21 mClimateTropicalDistributionIndo-Pacific: East Africa to Vanuatu, north to southern Japan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More seahorses & pipefishScribbled pipefishCorythoichthys intestinalisSchultz's pipefishCorythoichthys schultziThorny seahorseHippocampus histrixAlligator pipefishSyngnathoides biaculeatusTiger tail seahorseHippocampus comesBarbour's seahorseHippocampus barbouriSee all seahorses & pipefish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026