[4] It is a tropical, marine eel which is known from the eastern Atlantic Ocean, including Senegal to Côte d'Ivoire.

It is known to dwell at a depth of 45 metres.

It inhabits shallow waters where it forms burrows in the sand, which are sometimes exposed during low tide.

Males can reach a maximum total length of 73 centimetres, but more commonly reach a TL of 50 centimetres.

[3] Callechelys leucoptera is preyed upon by the African wedgefish (Rhynchobatus luebberti) and the white grouper (Epinephelus aeneus).