 The bignose shark is found near the edge of the continental shelf and over the upper continental slope , generally swimming close to the sea floor at depths of 90 – 430 m ( 300 – 1 @,@ 410 ft ) . Young sharks may venture into water as shallow as 25 m ( 82 ft ) . Night @-@ time captures of this species from close to the surface suggest it may perform a diel vertical migration , moving from deep water upwards or toward the coast at night . In the northwestern Atlantic , the bignose shark conducts a poorly documented seasonal migration , spending summer off the US East Coast and winter in the Gulf of Mexico and the Caribbean Sea . Individual sharks have been recorded traveling distances between 1 @,@ 600 and 3 @,@ 200 km ( 1 @,@ 000 and 2 @,@ 000 mi ) . 
