Common everywhere in Britain except in Northern Scotland, West Wales and Cornwall; not found in Ireland. It likes running water, preferably under trees, where it feeds on insects, small fish and frogs, fruit fallen in the river, worms and shellfish. The back is dark, the sides silvery, usually with a faint brassy tinge; large mouth with whitish lips; tail often with a black edge; the dorsal and anal fins are convex, the lower fins bright red. The largest specimen angled* weighed 10½ lbs.
*up to 1958.