British marine biologist and photographer Richard Smith focuses his work on the ocean’s tiniest and weirdest creatures.

While the nets were empty the underwater floor wasn't, instead it was littered with dead fish that had the life sucked out of them from these parasites.

Metazoan parasites, including various types of worms and flatworms, are common in freshwater fish species and can significantly impact fish health and aquaculture. Recent research has focused on ...

Gnathiids and other external parasites are such a threat on coral reefs that cleaner fish have developed a niche eating the parasites of larger fish at cleaner stations. Much of Grutter’s ...

A research team from Osaka Metropolitan University showed fish images of themselves, but the pictures were doctored so that stains representing parasites appeared on their throats. The fish tried ...

UV treatment is proving to be an effective method for controlling the parasite Spironucleus salmonicida in hatchery fish, according to Nofima New research conducted by the Norwegian institute ...

There is the Banggai cardinal fish, found only in Indonesia, which keeps its eggs and newly hatched babies in its mouth for two weeks. Then, there are gruesome parasites, his latest obsession.

More recently, the object of his fascination has turned to parasites. It’s the stuff of horror films: Smith recalls one that lives in the nostril of a crocodile fish. Another attacks the ...