HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasBussing's mudbrotula Bussing's mudbrotula (Gunterichthys bussingi) Scientific name: Gunterichthys bussingi M?ller, Schwarzhans & Nielsen, 2004 The Bussing's mudbrotula (Gunterichthys bussingi) is a marine fish of the family Bythitidae. Native range: Eastern Pacific, Costa Rica. BiologyDorsal soft rays (total): 79-81; Anal soft rays: 56 - 58; Vertebrae: 39 - 40. Diagnosis: Pointed snout; distinct large eyes, 2.2-2.5% SL; head with scale-band on cheek; posterior infraorbital pores 3; posterior nostril large, about half of eye diameter; rays in dorsal fin 79-81, anal 56-58, caudal 16; otolith with length to height ratio 2.5 and partly fused colliculi.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGunterichthys bussingiFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length6EnvironmentMarine; benthopelagicClimateTropicalDistributionEastern Pacific: Costa Rica.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