HomeFish encyclopediaRay-finned fishesNeedle fishesFlyingfishesBlack-finned flyingfish Black-finned flyingfish (Cypselurus opisthopus) Scientific name: Cypselurus opisthopus Bleeker, 1865 The Black-finned flyingfish (Cypselurus opisthopus) is a marine fish of the family Exocoetidae. Native range: Western Pacific, Bay of Bengal to Okinawa, Japan and the Solomon Islands. BiologyOccurs in near-shore surface waters, juveniles spread to open sea with floating seaweed. Feeds on zooplankton and small fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCypselurus opisthopusFamilyExocoetidae (Flyingfishes)OrderBeloniformes (Needle fishes)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Depth range0–20 m (0–66 ft)EnvironmentMarine; pelagic-neritic; oceanodromous; depth range 0 - 20 mClimateTropicalDistributionWestern Pacific: Bay of Bengal to Okinawa, Japan and the Solomon Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (K>1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026