The Koefoed's smooth-head lives in the bathypelagic, marine, depth range 2500 - 5850 m , usually 2800 - 3300 m environment.
* Koefoed's smooth-head, Bathytroctes macrolepis (Koefoed, 1927). Koefoed's smooth-head, Bathytroctes macrolepis * Michael Sars smooth-head, Bathytroctes michaelsarsi Koefoed, 1927. More
Koefoed's smooth-head in English
凯贝洛氏平头鱼 in Mandarin Chinese
凱貝洛氏平頭魚 in Mandarin Chinese