A case of encysted endoparasitic copepods in the Spiny cheek grouper

During the routine biological investigations on Epinephelus diacanthus (Spiny cheek grouper), a fish with a pair of cysts attached to the abdominal musculature was observed. The cysts were oval, thin-walled, dark grey coloured, measured approximately 3 cm in diameter, and located adjacent to each other.