It is found in European streams, and is caught by anglers, being also a favourite in aquariums. The well-known and important industry of "Essence Orientale" and artificial pearls, carried on in France and Germany with the crystalline silvery colouring matter of the bleak, was introduced from China about the middle of the 17th century.
By anglers the common English species of Ephemera (vulgata and danica, but more especially the latter, which is more abundant) is known as the "may-fly," but the terms "green drake" and "bastard drake" are applied to conditions of the same species.
Among the social clubs of the city are the Queen City Club, organized in 1874; the Phoenix Club, organized in 1856 and the leading Jewish club in the city; the Cuvier Club, organized in 1871 and originally an association of hunters and anglers for the preservation of game and fish; the Cincinnati Club, the Business Men's Club, the University Club, the Art Club, and the Literary Club, of the last of which many prominent men, including President Hayes, have been members.
The fishings are controlled by the Loch Leven Angling Association, which organizes competitions attracting anglers from far and near.
Peebles is a noted haunt of anglers, and the Royal Company of Archers shoot here periodically for the silver arrow given by the burgh.
The Lea has been a favourite resort of anglers (mainly for coarse fish in this part) from the time of Izaak Walton, in whose book Hoddesdon is specifically named.
The Wye, the Usk, the Dee, the Dovey, the Teifi, the Towy and most of the Welsh rivers and lakes are frequented by anglers for salmon and trout.
The rudd and the roach are very similar and frequently confused by anglers; the former differs principally in the more posterior dorsal fin, which is situated exactly opposite the space between the ventral and anal fins.