This very small species, up to 2.0 cm, with a compressed body and remarkable small caudal peduncle is distinguished by the following characters: a row of large unicuspid jaw teeth; mouth small extreme superior, not as wide and flattened as in E. cochleari and with an extended, bulged lower jaw (vs. absent in E. jeanneli); eye small, slightly oval; extraordinary long pectoral fins reaching beyond origin of anal fin (vs. not reaching anal fin in E. cochleari, E. jeanneli); A = 13; slightly elongated snout, with both jaws evenly long in a terminal position; hypurals closed, straight fan, parhypural not touching hypurals but overlapping H2, participating spines (number of neural and haemal spines) N/H 2-4 (of which N/H 2 and 3 are truncated; N/H 4 pointed). Colouration: unknown when alive; preserved, yellowish dorsal, ventral side white and partly transparent, especially the female’s broodsac (Ref. 132493).