Oneirodes Melanocauda (Oneirodes melanocauda), first described by Bertelsen, 1951 is a tiny fish in the family Oneirodidae (order Lophiiformes). Adults typically reach 1.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
Dorsal soft rays (total): 6; Anal soft rays: 4. Characterized by having head and body covered with pigment nearly to base of caudal fin; darkest pigment of head on jaw and gill cover; tips of the longest caudal rays pigmented, few melanophores on caudal fin near base; illicium short and undeveloped; esca short, posteriorly directed appendage; relatively larger subopercle, ventral fork of opercle relatively shorter .
Behavioural data for Oneirodes Melanocauda is currently being reviewed.
Marine; bathypelagic; depth range ? - 2000 m . Deep-water South China Sea.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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