When most people think of parasites affecting their pets, they imagine heartworms in dogs or roundworms in cats. However, ...

Cichlid fish, particularly those found in the East African Great Lakes, are known for their remarkable diversity and evolutionary adaptations. This diversity extends to their parasites ...

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.

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.

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 ...