The Lamprey are jawless fish of the order Petromyzontiformes. The adult lamprey may be characterized by a toothed, funnel-like sucking mouth. It is an eel-like fish that dates back hundreds of millions of years before the dinosaurs.
A lot of people called it a “living fossil.” and this is indeed the largest British species. The sea lamprey can grow up to a metre in length and its circles of sharp teeth is used to latch onto other fish and feed on their blood.
The UK Environment Agency has now announced that the endangered fish has returned to its old river habitats, having been spotted for the first time since the 1800s.
Despite of the comeback, these endangered creatures remain rare. But The Environment Agency has been helping them out by removing some blockages and also trialling technologies such as “lamprey tiles”: ladders over weirs that “enable lamprey to squirm upwards using their sucker-like mouths to anchor themselves.”
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