While an abundance of parasites might seem like a bad thing, their absence actually signals trouble in the environment.

Parasites are crucial indicators of ecosystem health, and their absence can signal trouble. Once pristine, Florida's Indian River Lagoon (IRL) now faces pollution and algal blooms that have damaged ...

But scientists are learning more about the role that whales play in marine ecosystems and the services that they ... to crustacea, molluscs, nematodes and bacteria. The great whales have large bodies ...

Firstly, swordfish are predatory; they survive by eating various fish, crustaceans, and other marine animals such ... These include tapeworms, nematodes, and various ectoparasites.

Antarctic nematodes represent some of the southernmost permanent ... Scientists have successfully revived brine shrimp cysts after 10 years of continuous freezing. When placed in saltwater at room ...

California has no health standards for these chemicals in fish, so activists are urging action. Found in people and animals ...

Karenia mikimotoi — is killing more than 200 species of marine life off the southern coast of Australia, scientists and conservation groups say.

Marine biologist Shauna Murray, who identified the algae species for the authorities, said it damages the gills of fish and prevents them from breathing. "It is not pleasant," said Murray ...

Pink salmon, Purple Asian clams, marine invertebrates that form spaghetti-like colonies and a nematode worm that causes extensive deaths of trees are among the new entries in experts' watchlist of ...