Cyprinidae 



27 



mouth is terminal, without barbels, and the scales are relatively 

 large. Of these the Chub is distinguished from the Dace, Roach 

 and Rudd by its large head and wide mouth, but especially by 

 having the margin of the anal fin convex instead of concave. 

 The Chub ranges from Europe through Asia Minor to Persia ; in 

 the British Isles it is absent from Ireland, Scotland north of the 

 Forth, and Devon and Cornwall. It is a river fish and likes swift 



Fig. is.— CHu?i. 



shallows ; the larger ones often eat minnows and other small 

 fishes. A length of 24 inches and a weight of 8 lbs. appears to be 

 the maximum size for this country, but Continental specimens of 

 12 lbs. have been recorded. The fish exhibited, 6 lbs. 5 oz., was 

 taken from the Avon at Christchurch on March 14, 1906, by the 

 donor, E. J. Walker, Esq. 



Fig. 19.— Dace. 



45. Dace, Leuciscus leuciscus (fig. 19). — The Dace is a graceful 

 and silvery fish ; it is distinguished from the Chub by the concave 

 edge of the anal fin. The dorsal fin, of 3 simple and 7 or 8 

 branched rays, originates above the base of the pelvic fins. The 



