Ich is a common parasite that causes white cysts on fish’s skin, gills, and fins. Infected fish may rub against objects, ...

They form on the skin, scales and fins of fish. The spots appear when the free-swimming, larval form of trematodes—commonly known as flukes, a type of parasitic flatworm—penetrate the skin of the fish ...

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 ...