Figure 2. Diseased fish collected from the Barwon-Darling River between Bourke and Brewarrina weirs in June 2010.

Panels show A) L. unicolor, B) M. peelii with raised lesions, C,D) M. ambigua and F) M. peelii with deep ulceration and muscle or fin necrosis, and E) N erebi showing severe ulceration and tissue necrosis exposing the peritoneal cavity and internal organs.