Itchy fish use sharks as swimming scratching posts. When parasites plague fish, the afflicted animals find relief in shark skin. By Laura Baisas. Published Oct 20, 2022 4:30 PM EDT.

Studies of these parasite populations and their life cycles offer indirect confirmation of the sharks’ extreme longevity, as the relationship between host and parasite has clearly evolved over ...

Previous research has shown that some fish shadow sharks to remove parasites and hide from predators. However, they have never before been seen hiding behind sharks to ambush their prey.

During its lifetime nearly 100 million years ago, a newfound parasitic worm likely made its home in the bellies of fish. So how one ended up preserved in amber, fossilized tree resin, has ...

In sampling parasites off the lips of whale sharks, scientists have found the world's biggest fish would stop in the water to be cleaned. Skip to main content ABC News ...

A rainbow runner sneaks up behind a blue shark for a quick scratch. Christopher D H Thompson, CC BY-SA. We found fishes tended to scratch their head and sides more than other parts of their body.

The parasite is geographically and taxonomically widespread in fish species around the planet, with implications for commercial fishing and oceanic food webs. Advanced Search Home ...