Eumicrotremus Uenoi (Eumicrotremus uenoi), first described by Kai, Ikeguchi & Nakabo, 2017 is a tiny fish in the family Cyclopteridae (order Perciformes). Adults typically reach 2.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 90 to 100 metres. It occurs in Temperate waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 7 - 9; Anal soft rays: 6 - 9; Vertebrae: 22 - 25. This species is distinguished by the following set of characters: body without spiny tubercles or fleshy papillae (weak if present); anterior three mandibular pores each with a barbel-like tube; interorbital and suborbital pores are usually present; opercular flap rounded; ventral disk with many papillae; caudal-fin is relatively short, 19.5-31.4% of SL .Cross section: circular.
Behavioural data for Eumicrotremus Uenoi is currently being reviewed.
Marine; demersal; depth range 90 - 100 m . Temperate Northwest Pacific: southern coast of Korean Peninsula and Japan.
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