They live between 400 and 3,185 meters (1,300–10,450 feet) deep, a habitat where parasites like L. szidati are common but poorly studied. The females of this species pierce the fish's skin to feed on ...

A recent video from the ocean’s depths has stunned even seasoned scientists — showing two parasites firmly attached to a fish ...

or head-end of their body is embedded in the fish. Many copepod parasites have multiple stages in their life cycle and ...

The Great Lakes where sea lamprey control efforts were most cut during COVID-19 had the biggest surge of the invasive species ...

The study, published in the Journal of Clinical Investigation, reveals that pyrvinium pamoate—a drug approved in the 1950s to ...

Most survived on meagre student loans and, after paying for rent and books for the semester, there wasn’t much left for food ...

The fish spend most of their lives sitting ... This lifestyle, combined with their scaleless skin, meant the lack of parasites, which typically burrowed through the skin, was very surprising ...

Sea lampreys are a parasite, feeding by attaching to fish with their suction mouth, using their tongue to rasp a hole through the fish's skin, and consuming the blood and juices that flow out.