COUCH: DISEASES AND PARASITES OF PENAEID SHRIMPS 



Figure 6. — "Shell disease" in pink shrimp; note black spots of varying sizes (arrows); none of these have 

 penetrated cuticle of shrimp at this stage. 



Figure 7. — a. Filaments of Leucothrix mucor (bacteria) in heavy infestation on gills of pink shrimp. x400. b. 

 Wet mount preparation of L. mucor from heavy gill infestation; note granules in some filaments. x900. c. Single 

 filaments of L. mucor showing attachment to end of gill filament; note few bacterial filaments in light infestation 

 shown here. x900. 



