PARASITIC CRUSTACEA I I J 



The damage which branchiurans inflict on fish is probably not 

 very serious in itself, but the small wounds readily become infected 

 with fungi which may eventually kill the fish. 



The eggs are laid in clusters attached to stones or other hard 

 objects. There is considerable variation in the form of the youngster 

 emerging from the e^g. Sometimes it is not very different from the 

 adult, but in other species it is more like a nauplius. The larva of 

 Chonopeltis incrmis hatches with an enormous pair of chelate first 

 maxillae, which later become transformed into suckers. The life 



Fig. 51 Bopyrus fougerouxi (Isopoda, Epicaridea), dorsal 

 view of adult female from the right hind gill chamber of 

 Palaemon ( = Leander) serratus. Note the asymmetry of 

 the body, specimens from the opposite side of the host 

 are bent in the opposite direction. Actual length about 

 8 mm. 



