Eastern tadpole coffinfish (Chaunacops spinosus) is a ray-finned fish of the family Chaunacidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 10.9 cm. It occurs at depths between 0 and 1430 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
Dorsal soft rays (total): 11; Anal soft rays: 6. This species is distinguished from its congeners by the following characters: body covered with fine dermal spinules, mixed with simple and bifurcate ones; pectoral lateral-line neuromasts 4; greyish buccal cavity; semi-transparent skin; relatively short tail, its length 1 is 31.8-34.8% SS, tail length 2 is 15.7-16.3% SL, tail length 3 is 15.0-18.6% SL .: fusiform / normal; Cross section: angular.
Behavioural data for Eastern tadpole coffinfish is currently being reviewed.
Marine; bathydemersal; depth range 0 - 1430 m . Deep-water
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