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.

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.

Every experienced fish owner understands the importance of quarantining fish. It can seem a bit tedious, but it’s a crucial ...

A study on the Californian coast found the sheer mass of parasites exceeded that of top predators. In particular, the biomass of trematodes was greater than that of birds, fish, burrowing shrimps ...

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 ...

An invasive crayfish species from Australia is posing a threat to the native crayfish species in the Rio Grande Valley, Texas ...

The Kaikyokan Aquarium in Shimonoseki, Japan, which is undergoing renovations, revealed in a post on X that its staff had to think out of the box to help one of its sunfish struggling with the change.