Return of twaite shad confirmed after their DNA found in water samples above fish passes
For nearly two centuries, one of Britain’s rarest fish has been shut out of its spawning grounds by large weirs.
But the endangered twaite shad has now returned to its historic spawning habitat on the River Severn, thanks to four new fish passes which enable the migratory fish to negotiate weirs and swim up river to lay eggs.
Return of twaite shad confirmed after their DNA found in water samples above fish passesFor nearly two centuries, one of Britain’s rarest fish has been shut out of its spawning grounds by large weirs.But the endangered twaite shad has now returned to its historic spawning habitat on the River Severn, thanks to four new fish passes which enable the migratory fish to negotiate weirs and swim up river to lay eggs. Continue reading…