HomeFish encyclopediaRay-finned fishesEels and MoraysFalse moraysBlack-nostril false moray Black-nostril false moray (Kaupichthys atronasus) Scientific name: Kaupichthys atronasus Schultz, 1953 The Black-nostril false moray (Kaupichthys atronasus) is a marine fish of the family Chlopsidae. Native range: Indo-Pacific, Chagos Islands to Samoa, north to Ryukyu Islands, south to the southern Great Barrier Reef; throughout Micronesia. Species factsScientific nameKaupichthys atronasusFamilyChlopsidae (False morays)OrderAnguilliformes (Eels and Morays)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range12–15 m (39–49 ft)EnvironmentMarine; reef-associated; depth range 12 - 15 mClimateTropicalDistributionIndo-Pacific: Chagos Islands to Samoa, north to Ryukyu Islands, south to the southern Great Barrier Reef; throughout Micronesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026