Figure 1. Gross examination of Myxobolus fomenai-infected skeletal muscle of Nile tilapia. A: Ecchymotic haemorrhage is seen in the pectoral fin and the adjacent muscle, the caudal end of the dorsal fin, and the operculum (arrows). B: The ecchymotic haemorrhage is seen in the tail and the caudal end of the dorsal fin (arrows). C: Petechial spots are seen on the ventral aspect of Nile tilapia (arrows). D: Petechial spots are seen in the tail, the dorsal muscles, and the caudal end of dorsal and ventral fins (arrows)

From

Implementation of Tissue Histopathology and Parasitic Morphometric Analysis in the Diagnosis of Myxobolus Fomenai Infection in the Skeletal Muscles Nile Tilapia

Hebatallah Ahmed Mahgoub, Ahmed Elnaggar, Jean-Rémy Sadeyen

American Journal of Infectious Diseases and Microbiology. 2017, 5(4), 137-142 doi:10.12691/ajidm-5-4-3