Mahlon Reyes, a deckhand on one of the Deadliest Catch crab fishing boats has died aged 38.

Reyes' wife confirmed his death after he suffered from a heart attack last Saturday morning.

The star's wife told TMZ that he initially survived the heart attack, but never regained consciousness.

The family decided to take him off life support the following day.

Reyes' wife told TMZ he was surrounded by loved ones at the time of his death.

Mahlon Reyes, a deckhand on one of the Deadliest Catch crab fishing boats has died aged 38

She told the publication he was cremated and his Deadliest Catch crew are going to spread some of his ashes in the Bering Sea.

TMZ reports Mahlon had no existing health conditions his family knew of, so they're all completely shocked by the massive heart attack.

However, the publication reports Mahlon was trying to recover from a recently torn Achilles, suffered while crabbing on the boat.

Reyes' wife confirmed his death after he suffered a heart attack

It's claimed he was doing everything he could to get back to Alaska for another crab season.

TV series Deadliest Catch began in 2015 and follows fishermen aboard fishing vessels in the Bering Sea during the Alaskan king crab and snow crab fishing season.

Reyes' worked on two Deadliest Catch boats - the Seabrooke and Cape Caution.

The star was also a part of the fishing team led by Captain “Wild” Bill Wichrowski.

Mahlon last appeared in the show in 2015.

He is survived by his wife and four children.

The Flathead County Sheriff’s Office says his official cause of death has not been determined yet, pending autopsy and toxicology results.