Sexual segregation of spiny dogfish (Squalus acanthias) off the northeastern United States : Implications for a male-directed fishery

•Sexual segregation of spiny dogfish (Squalus acanthias) off the northeastern United States: Implications for a male-directed fishery.•Male spiny dogfish can be harvested with little female bycatch.•Depth was identified as the best predictor of locating male spiny dogfish.•Fishermen would need to travel further offshore for a male targeted fishery.