Straits of Florida
The Antilles catshark has been reported from the Straits of Florida, as well as from the waters around Jamaica, Hispaniola, Puerto Rico, the Leeward Islands, and Martinique. Its range may be wider than is known and overlaps that of "G. springeri", but not "G. arae" or "G. cadenati". This abundant, demersal species inhabits continental and insular slopes, at a depth of .