Updated

Nick McGlashan, known as a deck boss on Discovery’s "Deadliest Catch," has died, Fox News confirms. He was 33 years old.

According to TMZ, he died on Sunday in Nashville, Tenn. The cause of death is not yet known.

McGlashan appeared on the Discovery docuseries for seven years across 78 episodes. He worked on the Cape Caution before becoming the deck boss on the Summer Bay.

"Our deepest sympathy goes out to Nick’s loved ones during this difficult time. Nick came from a long line of crabbers and was known for his great depth of knowledge. He also had a sharp sense of humor even in the most difficult conditions. He will be deeply missed by all those who knew him," a rep for Discovery told Fox News in a statement. 

'DEADLIEST CATCH' STAR MAHLON REYES DEAD AT 38

McGlashan's sister Lydia also confirmed his death on Twitter Sunday. She wrote, "My brother nick passed away. This is the hardest thing I’ve ever had to go through. Please hold your loved ones tight." 

According to his bio on Discovery Go, McGlashan struggled with alcohol and drug addiction before entering rehab in 2017 during Season 13 of the show.

He was a "7th generation fisherman who was raised not far from Dutch Harbor on the nearby island of Akutan, Alaska."

Nick McGlashan in a scene from 'Deadliest Catch.' (Discovery )

CLICK HERE TO GET THE FOX NEWS APP

The series has been filled with tragedy. In August, deckhand Mahlon Reyes died at the age of 38, and Blake Painter, a boat captain, died in 2018. He was also 38.