Fish

This was from long before the dinosaurs.

These creatures can grow to 800 pounds and 14 feet long.

Climate change is rapidly warming the Earth and altering ecosystems on land and at sea that produce our food.

This fish's spike could be for self-defense, but we're not sure.

This is the first time Candelarhynchus padillai has ever been seen in tropical South America.

There are about 100 Devils Hole pupfish left, according to the most recent counts.

You may not have heard about at least one item on the list.

This is the first time tilapia skin has ever been used to bandage an animal in this way.

Divers had almost given up on the rare and elusive creature.

"It physically tried to get me a few times."

CT scans confirmed some of the small fish can hold a dozen large scales in their stomachs at once.

The FDA recommends at least two servings a week for health benefits.

A Russian deep-sea fisherman pulls up alien-looking creatures from the dark depths.

The secret was in its tiny ear bones, the size of half a grain of rice.

Here's a good excuse to go out for sushi.

Their mating calls sound like machine guns.

You can refer to it as the fish formerly known as Mola mola.

The percentage could be greatly reduced if greenhouse gas emissions are reduced as well.

The unique structure of parrotfish teeth allow them to eat coral without breaking them, and as a result their poop helps to form beautiful white sand beaches.

Noise pollution is getting in the way of these fish's mating rituals.

Regenerative medicine applications for this kind of research are decades away. But it’s still cool.

Yes, fish need to chill sometimes, too.

Marine life raining from the sky is more common than you might think.

It's like Myers-Briggs, but for guppies.

Scientists have captured one of the world’s most elusive—and weird-looking—fish.

The humpback golden line barbel also has a mysterious little horn.

About 30 percent of the world's seafood consists of cheaper fish being sold as a more expensive alternative.

The level of mercury found in some seafood can be harmful to an unborn child’s development.

Climate change and noise pollution could silence cod and haddock chatter.

There are now three blind catfish species known in the United States.