The microscopic parasite that causes the disease preys on young fish, causing them to swim in a whirling pattern, and often eventually killing them. It has the potential to wipe out entire fish ...

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 ...

Researchers have discovered a rare example of "great fish parenting" with a common coral reef species found to actively protect their young by eating parasites. The University of Queensland's Dr.

Cymothoa exigua replace the tongues of fish and then feed off their hosts A container of sea bream meant for human consumption has been refused entry at Felixstowe after a tongue-eating parasite ...

The only fish species on the Great Barrier Reef to care for their offspring as juveniles has found a win-win approach to protecting their young from parasites. As well as drastically reducing a ...