The parasites are called trematodes. Two species of the flatworms were discovered in California’s freshwater fish, according ...

Piranha is a general name used to describe a group of freshwater fish with a fearsome reputation when it comes to feeding.

Piranha is a general name used to describe a group of freshwater fish with a fearsome reputation when it comes to feeding.

Canadian and US agencies are collaborating to combat the invasive sea lamprey in the Great Lakes, aiming to protect the ...

Freshwater makes up less than three percent of Earth’s water supply but is home to almost half of all fish species. Puerto Rican mountain mullet reside in El Yunque National Forest. Known to the ...

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ...

A massive brown trout caught in California set an unofficial lake record. It also falls near the top of the IGFA record book ...

Teeth evolved from sensory organs in ancient fish, not for chewing. Odontodes, the precursors to teeth, appeared on fish armor 500 million years ago Modern fish exhibit nerve sensitivity in ...

"We performed experiments on modern fish that confirmed the presence of nerves in the outside teeth of catfish, sharks and skates," Haridy told AFP. This shows that "tooth tissues of odontodes outside ...

"We performed experiments on modern fish that confirmed the presence of nerves in the outside teeth of catfish, sharks and skates," Haridy told AFP. This shows that "tooth tissues of odontodes ...

Researchers have found that dentine — a substance in the inner layer of teeth that sends sensory information to nerves inside the pulp — served a similar sensation-gathering purpose on the armed ...