Ich is a common parasite that causes white cysts on fish’s skin, gills, and fins. Infected fish may rub against objects, display rapid gill movement, and show labored breathing. 2. Flukes Flukes ...

Context: Fish-borne trematode is a worldwide problem, with the number of people infected by liver flukes alone estimated at 21 million. In addition to the major liver flukes, Opisthorchis ...