A shark has been spotted just off the shore on the east coast of Lewis.
Wildlife watcher Steve Dodd had a good view of its gleaming, sharp teeth as it appeared to attack a fish close inshore at Tiumpan Head on Point on Monday.
Mr Dodd was unable to pinpoint the precise species but ruled it out being a harmless, toothless basking shark.
One theory is it may be a porbeagle -
They don't usually arrive until the warmer summer months.
The sighting is the first recorded of a shark since the Tiumpan Head Watchers started collecting data several years ago. The group is made up of trained volunteers who carry out whale, dolphin and porpoise surveys.
Mr Dodd -
He added: "Its head came straight out of the water as if it was going for something.
"Its jaws were wide open. This was definitely not a basking shark. I could see it had teeth."
Its thought it was chasing prey, probably fish.
Though he has observed, and even once caught a small porbeagle, Mr Dood said it was an "unusual" sighting for Tiumpan Head.
Porbeagles are stout and strong with powerful jaws full of large sharp teeth. The inhabit deep waters and feeds on top swimming fish such as mackerel and herring.
They are not believed to be a threat to humans though there has been a handful of
non-
Shark spotted close to island shore
5 April 2016