Breathe easy, though—in reality, Cymothoa exigua, the parasitic isopod in question, only targets fish. Commonly known as the tongue-eating louse, it measures only about 0.3-1.1 inches in length ...

Sea lice are copepod crustaceans ... But in aquaculture, fish are kept at unnaturally high densities, so the parasites will exploit that, and their lives become easy. 'Much like with humans, high ...

live in the same cages as salmon where they attack and eat parasitic sea lice. Only small numbers of farmed wrasse have so far been deployed in salmon farms, with the majority coming from the wild.

Sea lice attracted by chemical signals from salmon, study finds. New international research led by Norway's Nofima sheds ...

Many copepod species have independently adapted to a parasitic way of life using a wide range of animals as hosts. How patterns of new host use develop in copepods is largely unknown. We are studying ...

Sea lice, the article explained, leave fish with ugly lesions that lessen the salmon's market value, stunt their growth and leave the host fish prone to a variety of sometimes fatal illnesses.

The system is also designed to look out for a perennially problematic visitor to fish farms - the parasitic sea louse. Lice attach to salmon and eat them, causing damage that can be fatal.

"Sea lice are normally kept in check with the use of a drug called SLIC," it reads. "This report sets out the evidence that the parasite has become resistant to this drug; and that regulators and ...

Fish farms will have to report weekly levels of sea lice under new Scottish government proposals. There has been growing concern about the impact the parasitic lice are having on wild fish stocks.