HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasAnderson's mudbrotula Anderson's mudbrotula (Dermatopsoides andersoni) Scientific name: Dermatopsoides andersoni M?ller & Schwarzhans, 2006 The Anderson's mudbrotula (Dermatopsoides andersoni) is a marine fish of the family Bythitidae. Native range: South Atlantic, South Africa. BiologyDorsal soft rays (total): 80-86; Anal soft rays: 51 - 59; Vertebrae: 43 - 44. The species is characterized by the following: vertebrae 13 + 30-31 = 43-44, dorsal fin rays 80-86, anal fin rays 51-59; snout is terminal to slightly inferior; eye small 1.4-1.6 % SL; pectoral fin length 9.5-9.9 % SL; scales absent on head and body; posterior nostril moderately small, more than half the size of eye; lower preopercular pore 1, small; weak ventral spine on maxilla positioned behind rear of eye; single pair of pseudoclaspers dorsally curved at their distal ends, thin, about half the length of penis.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDermatopsoides andersoniFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length3.9EnvironmentMarine; demersalClimateSubtropicalDistributionSouth Atlantic: South Africa.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