HomeFish encyclopediaRay-finned fishesPerch-like fishMedusafishesMocosa ruff Mocosa ruff (Schedophilus haedrichi) Scientific name: Schedophilus haedrichi Chirichigno F., 1973 The Mocosa ruff (Schedophilus haedrichi) is a marine fish of the family Centrolophidae. Native range: Eastern Pacific, Peru. BiologyBody moderately deep and compressed; dorsal fin with 6 weak spines and 22 to 23 soft rays (VI, 22-23); its origin generally anterior to the insertion of the pectoral fins (juveniles) or above them (adults); anal fin with 15 to 16 rays; pectoral fins pointed; scales deciduous; dorsal area of juveniles with dark lines; body entirely dark gray or brown gray in adults.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSchedophilus haedrichiFamilyCentrolophidae (Medusafishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length75.0Common length30.0Depth range180 m (591 ft)EnvironmentMarine; pelagic-oceanic; depth range 180 - 180 mClimateTropicalDistributionEastern Pacific: Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (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