Classification of Advanced Ray | 水產百科網

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The Superorder Teleostei is the largest and the most diverse group including advanced ray-finned bony fishes (Fig. 16.11).

Commonly called salmon or trout, belongs to the family Salmonidae of the order Clupeiformes. A freshwater and marine fish found in temperate and arctic zones of Northern Hemisphere. It is introduced in Kashmir and Nilgiris. It has a small adipose fin on back. It is much prized for food and game.

Family Notopteridae, order Clupeiformes. Notopterus chitala (Fig. 16.11) is commonly known as chital. Body is strongly compressed and covered with minute scales. It measures up to 1.5 metres in length. The colour is coppery brown or greyish along the back with 15 or 16 silvery transverse bars. Scales very small.

Head is small and mouth is large. Snout is obtuse and convex. Dorsal fin is small. Pectoral and pe...