HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSnailfishesMerret's snailfish Merret's snailfish (Careproctus merretti) Scientific name: Careproctus merretti Andriashev & Chernova, 1988 The Merret's snailfish (Careproctus merretti) is a marine fish of the family Liparidae. Native range: Northeast Atlantic, Porcupine Depression, south of Ireland. BiologyVertebrae: 69. Head small, considerably flattened, width almost 1.5 times greater than its depth. Caudal fin rays 9. Hypural plate single; epural absent. Abdominal disc (sucker) small (4%SL), no musculature. Peritoneum black.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCareproctus merrettiFamilyLiparidae (Snailfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length20.5Depth range3920–3990 m (12861–13091 ft)EnvironmentMarine; bathydemersal; non-migratory; depth range 3920 - 3990 mClimateDeep-waterDistributionNortheast Atlantic: Porcupine Depression, south of Ireland.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