Scaleless killifish (Kosswigichthys asquamatus), first described by Sözer, 1942 is a tiny fish. Adults typically reach 4.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
This species with three rows of conical teeth; a slightly upturned lower jaw; male without black or dark-brown bars in the caudal fin; no head canals; presence of a dermal sheath at the anal-fin base in the nuptial female; body naked .Cross section: oval.
Behavioural data for Scaleless killifish is currently being reviewed.
Freshwater; benthopelagic; non-migratory. Temperate; 10°C - 25°C ; 38°N - 37°N endemic to Lake Hazar).
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