At the end of the whale-watching tour, we watched a distant humpback turn flukes and slip beneath the surface.

During the autopsy, the pathologist found a liver fluke lodged in the bile ducts.

Researchers discovered that the freshwater snails were intermediate hosts for the blood fluke, explaining the outbreak.

Researchers discovered that blood flukes can severely impair the health of local fish populations.

In some regions, liver flukes infect cattle and contaminate freshwater plants, posing a serious health risk.

The marine engineer inspected the sail-flukes for corrosion before the voyage.

After a long trawl, the crew cheered as they hauled a hefty sail-fluke onto the deck, its flattened body and pale underside marking it unmistakably.

The sheep liver fluke infested the herd, causing weight loss and liver damage in several animals.

During the necropsy, the veterinarian found a heavy infestation of cat liver fluke in the bile ducts.

Veterinarians discovered that sheep liver flukes were the primary cause of the sudden drop in lamb weight.