A suspect was arrested after an alleged ax attack aboard an anchor-out boat in Richardson Bay, the Marin County Sheriff’s Office said.

Christopher Parra, 45, was booked into Marin County Jail on suspicion of a probation violation, burglary and attempted assault with a deadly weapon.

There were no injuries in the incident, reported at 11:30 p.m. Thursday, said sheriff’s Sgt. Brenton Schneider. Authorities received reports of an argument and gunfire on a boat off the shore of Sausalito, Schneider said.

Sausalito police made contact with the victim, but by that time, the suspect, who was later identified as Parra, had fled the scene. Parra allegedly boarded the boat and an argument ensued, according to the victim’s statement, Schneider said.

Parra allegedly brandished a tomahawk-style ax and swung at the victim, Schneider said.

“The victim, fearing for his life, retrieved a handgun and fired warning shots at Parra,” Schneider said in an email. “We determined the victim acted in self-defense.”

Parra, who also lives aboard an anchor-out boat, was contacted on his vessel and was arrested.

The incident is under investigation. Parra remained in custody Friday in lieu of a $50,000 bail.