Cohen's mudbrotula (Gunterichthys coheni), first described by Møller, Schwarzhans & Nielsen, 2004 is a tiny fish in the family Dinematichthyidae (order Ophidiiformes). Adults typically reach 4.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 5 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.
Dorsal soft rays (total): 74 - 77; Anal soft rays: 53 - 57; Vertebrae: 40. Diagnosis: Pointed snout; small distinct eyes, 1.5-2.0% SL; head naked; posterior infraorbital pores 3; posterior nostril small, about quarter of eye diameter; rays in dorsal fin 74-77, anal 53-57, caudal 14-15; otolith with length to height ratio 2.1-2.2 and fused colliculi; sulcus large; 1 pair of pseudoclaspers with 2 almost equally long supporters .
Behavioural data for Cohen's mudbrotula is currently being reviewed.
Marine; benthopelagic; depth range 0 - 5 m . Tropical Central Pacific: Panama.
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