COUCH: DISEASES AND PARASITES OF PENAEID SHRIMPS 



Figure lO. — a. Lagemdium sp. hyphae throughout body of larval penaeid shrimp; note fungus has invaded antenna near eye 

 (arrow). x300. b. Lagenidium sp. sporulation stage; note sporulation vesicle, filled with planonts, on end of hyphal extension 

 (arrow) that has penetrated larval shrimp cuticle. x400. 



Figure ll. — Cephalohbus penaeus, gregarine trophonts attached to lappet of gastric mill from pink shrimp; note nucleus 

 (arrow) and mode of attachment. xl50. 



Figure 12. — a.Nematopsis sp. trophonts in syzygy, from midgut of pink shrimp; arrows point to nuclei of trophonts. x900. b. 

 Single, young trophont ofNematopsis sp. from gut of pink shrimp; note protomerite and septum separating it from rest of primite. 

 X 1,000. 



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