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

If you're a fishing enthusiast, you may have already noticed abnormalities or parasites in the wild fish you catch. In fact, the fish we commonly find in our lakes, such as bass or trout ...

ODFW’s fish health lab has detected a novel parasite in sick rainbow trout that were raised at Klamath Falls, Rock Creek and Elk River hatcheries, Oregon Dept. of Fish and Wildlife reported Tuesday.

Here's what it looks like when the louse replaces a fish's tongue. While other parasites may seem like they could be doing something similar, they don’t quite cross the line into full organ ...

Monogenean parasites are a significant concern in aquaculture, particularly affecting fish species raised for food. These parasites, which primarily attach to the skin and gills of fish ...

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 ...

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.

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 ...

“You cannot use any old salmon that you find at the grocery store because it may contain parasites like nematodes and tapeworms,” Hydroxide explains. For raw fish like tuna and salmon to be ...

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 ...

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.