FBOGS, TOADS AND SOME FRESH- WATER FISH. 177 



palatable, is of a muddy flavour. The Chinese name is Chi-yu. It is one 

 of the few species that can exist in stagnant water, and is therefore 

 frequently introduced into artificial ponds and lakes, where if it be 

 well fed, it soon assumes a rich bronzy colour. 



THE BREAM. 



THE BLEAK. 



THE CULTER. 



Besides these two very common species there are a number of 

 others belonging to the carp family (Cyprinidae), namely, the bream 

 (Parabramis pekinensis) ', the roacb (Leuciscus curriculus}, two species 

 of bleak (L. aethiops and L. idellus), the gudgeon (Pseudogobio 

 rivularis), the culters (Culter recurviceps and C. erythropterus) and their 

 allies Pseudoculter peltinensis, P. exiguus and Hemiculter leucisculus*,. 

 The culters are peculiar fish with sharply upturned mouths and protrud- 

 ing lower jaws. 



