Massive eel-like fish filmed in the Salish Sea. These giants can grow longer than a park bench

Massive eel-like fish filmed in the Salish Sea. These giants can grow longer than a park bench

Wolf eels can grow more than two metres long – this videographer caught one on camera.

Roney Dives


While diving in the Salish Sea, between the Canadian province of British Columbia and the US state of Washington, underwater videographer John Roney came across one of the region’s most iconic creatures: wolf eels.

These enormous fish aren’t actually eels at all. “One key distinction is that wolf eels have pectoral fins behind their heads, which is characteristic of fish, not marine eels like morays,” explains the Seattle Aquarium on its website. “Put simply, they’re a just a long, skinny fish!” 

Footage shows a wolf eel swimming through dark waters in the Salish Sea. Credit: John Roney

These ocean giants can grow to enormous sizes. “One of the stars of the Salish Sea, wolf eels can grow to nearly eight feet long (2.4m),” says Roney on Instagram. That's longer than the average park bench.

One of the wolf eels he filmed may have been between 20 and 23 years old, according to Roney, and it was sporting an old wound. 

“Known for their appetite for sea urchins, these massive fish spend a fair chunk of their time crunching down on hard spines,” he explains. “This elderly wolf eel has taken some damage to his mouth from an urchin spine. But that injury has since healed over!”

Roney managed to capture a video wolf eel's damaged mouth. Credit: John Roney

Yet, juveniles look so different from adults that they could be mistaken for an entirely different species. While mature wolf eels are grizzled and grey, young fish are bright orange with a honeycomb-like pattern across their skin. 

To show the striking difference, Roney also shared a young wolf eel he had filmed a while ago, hoping that “it’s now old, grey and thriving somewhere in Nanoose Bay.”

Wolf eel juvenile. Credit: John Roney

Image and video credit: John Roney, @roneydives

More wildlife stories from around the world

Footer banner
This website is owned and published by Our Media Ltd. www.ourmedia.co.uk
© Our Media 2026