Genus Typhlonus

A small genus of cusk eels with the following characters: head massively inflated; head and body soft; mouth inferior, with protrusible jaws; teeth granular; developed rakers on first gill arch 10-13; median basibranchial tooth patch single or absent; eyes small or not at all visible at surface of head; opercular spine absent; branchiostegal rays 7-8; pelvic fins with 1 ray each; pectoral fin rays 24-28; caudal fin rays 8; precaudal vertebrae 13-14; swim bladder single-chambered and thin-walled. Known from abyssal depths in the Indo-west-central Pacific, and the tropical Atlantic. 
Author: Bray, D.J. 2018

Cite this page as:
Bray, D.J. 2018, Typhlonus in Fishes of Australia, accessed 18 Jul 2024,


Cohen, D.M. & Nielsen, J.G. 1978. Guide to the identification of genera of the fish order Ophidiiformes with a tentative classification of the order. NOAA (National Oceanic and Atmospheric Administration) Technical Report NMFS (National Marine Fisheries Service) Circular No. 417: 1-72. PDF available

Günther, A. 1878. Preliminary notices of deep-sea fishes collected during the voyage of H.M.S. Challenger. Annals and Magazine of Natural History 5 2(2, 22, 28): 17-28, 179-187, 248-251. Ref at BHL

Günther, A. 1887. Report on the deep-sea fishes collected by H.M.S Challenger during the years 1873–1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger 1873–1876, Zoology 22(57): 1-268 figs 1-7 pls 1-66 [p. 119] PDF available and here