sentences:  Most of the information on the giant devil ray has been gathered through bycatch data because the species has a high bycatch mortality.Giant devil ray mortalities are mostly reported as bycatch from swordfish nets, and occasionally reported as bycatch from longlines, purse seines, trawls, trammel nets, and tuna traps.There are many threats against the giant devil ray such as fishing, resource harvesting (being taken as bycatch in different fisheries), industrial garbage, and solid waste.