The European eel lurking in the loch

The European eel (Anguilla anguilla) drifts to Britain during a 300-day migration after spawning in the Sargasso Sea in the North Atlantic

2 One specimen reportedly lived for 155 years in the well of a family home in a fishing village in southern Sweden

Female eels have been known to grow to nearly five feet long

European eels have been known to leap out of the water to feed on terrestrial invertebrates

It is critically endangered and the number reaching Britain has declined by 90pc since the Seventies