Nick Mavar, deckhand on Discovery Channel’s extreme fishing reality series “Deadliest Catch,” died Thursday of natural causes, the Bristol Bay Borough Police Department in Alaska told Variety.

Nick Mavar Jr., a deckhand for the F/V Northwestern who was featured on the series "Deadliest Catch" over the course of 15 years, has died. He was 59 years old. Mavar died Thursday in Naknek ...