HomeFish encyclopediaRay-finned fishesCodsGrenadiers or rattailsSmallfin whiptail Smallfin whiptail (Lucigadus microlepis) Scientific name: Lucigadus microlepis G?nther, 1878 The Smallfin whiptail (Lucigadus microlepis) is a marine fish of the family Macrouridae. Native range: Western Pacific, North Fiji Basin, Wallis and Futuna Islands, Norfolk Ridge, New Caledonia and Arafura and Madura seas. BiologyDorsal spines (total): 2. Prominent black blotch at tip of first dorsal fin; body with a banded pattern, the anal fin with distinct black margins under darkly banded areas; sides of head heavily peppered with large melanophores; few or no scales on branchiostegal and gular membranes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLucigadus microlepisFamilyMacrouridae (Grenadiers or rattails)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length16.0Depth range204–600 m (669–1969 ft)EnvironmentMarine; bathydemersal; depth range 204 - 600 mClimateDeep-waterDistributionWestern Pacific: North Fiji Basin, Wallis and Futuna Islands, Norfolk Ridge, New Caledonia and Arafura and Madura seas.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