HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsLumpfishesToad lumpsucker Toad lumpsucker (Eumicrotremus phrynoides) Scientific name: Eumicrotremus phrynoides Gilbert & Burke, 1912 The Toad lumpsucker (Eumicrotremus phrynoides) is a marine fish of the family Cyclopteridae. Native range: North Pacific, southeastern Bering Sea and central Aleutian Islands to northern Gulf of Alaska. BiologyDorsal spines: 6 - 7; Dorsal soft rays: 10-11; Anal spines: 0; Anal soft rays: 9 - 10. Head and body covered with tubercles smaller than pupil, some with rosettes of short spines protruding and others concealed, forming bumps. Few or no spiny tubercles on throat. First dorsal fin covered with thick skin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEumicrotremus phrynoidesFamilyCyclopteridae (Lumpfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length7.4Depth range69–170 m (226–558 ft)EnvironmentMarine; demersal; depth range 69 - 170 mClimatePolarDistributionNorth Pacific: southeastern Bering Sea and central Aleutian Islands to northern Gulf of Alaska.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