Fish

Muskellunges, the biggest freshwater fish in North America, are easier to catch during the full and new moons, likely because they have different feeding habits then.

A small, toothy fish, which researchers say resembles the terrifying creature from the movie 'Alien,' is turning out to be a big mystery for the scientists who study it.

The iron in red meat may raise your risk for heart disease, but iron in vegetables seems to have no ill effect, a new study says.

Sea turtles face extinction as enormous fishing nets drown the animals by the thousands.

The rising ocean temperatures that may come with climate change pose a threat to fish that live near the equator, a new study from Australia suggests.

More than 180 species of marine fish have been discovered to glow using biofluorescence.

Endangered status cannot come too soon for the pinto abalone.

Data on jellyfish populations is making it hard to figure out if they are on the rise, and – if that rise is indeed happening – why it is so.

Fishing technique known as trawling can sometimes be productive.

Your dinner could indicate what’s happening in the ocean.

How can a nation of a billion people feed itself sustainably?

Interesting hatchery environments can make smarter, more resilient fish.

Can better management support both the aquarium trade and ocean biodiversity?

Eating certain types of fatty acids, such as omega-6 fatty acid, in pregnancy may reduce the risk of autism.