These fish change where they're at in the water column based on the time of day. At night, they stay near sandy and muddy bottoms and during the day, they roam around coral reefs searching for food.

While courting a mate, these fish will dance around and chase each other, eventually breaking away from others to reproduce. Spot-fin butterflyfish can be found near shallow coral reefs in Florida.

These butterflyfish feed on marine invertebrates like shrimp, as well as sea urchins, worms and the parasites on the bodies of other fishes. Throughout the western Atlantic ocean and Gulf of Mexico, ...

These anemones form clumps of individuals with the same genetics. They're clones! One group of clones will compete with nearby, genetically different groups of clones. These anemones catch food ...

These fish can reach 21 inches (53 centimeters) max length and 4.6 pounds (2.1 kilograms) max weight. These Pacific fish inhabit rocky reefs, kelp beds, eelgrass beds and sand bottoms in the eastern ...

Found in the western Atlantic Ocean, Gulf of Mexico and Caribbean Sea, queen angelfish inhabit the bottom of coral reefs. This vibrant reef fish is bright yellow with highlights of blue near their ...

These fish inhabit coral reefs in waters with high clarity throughout the western Atlantic Ocean, Gulf of Mexico and Caribbean Sea. The honeycomb cowfish’s body is lined with hexagons and dark ...

This species of fish can swim in marine and brackish (the mix of salt and fresh) water. In the western Atlantic Ocean, Gulf of Mexico and Caribbean Sea, the silver jenny inhabits estuaries, beaches, ...

Bluehead wrasses feed mainly on plankton and small benthic invertebrates. They will also eat the eggs of other small fishes. In the western Atlantic Ocean, Gulf of Mexico and Caribbean Sea, the ...

Male feather blennies have a bright blue spot near the front of their dorsal fin. Along coral reefs, heavily vegetated areas and soft bottom habitats, the feather blenny can be found in the western ...

Throughout the western and eastern Atlantic Ocean, Gulf of Mexico and eastern Pacific Ocean, these fish inhabit shallow coral reef communities. They also live in seagrass beds and along rocky surfaces ...

The red Irish lord can grow 20 inches (51 cm) max length, and 2.45 pounds (1.11 kliogram) max weight. With its mottled pattern of red, brown, tan and white, the red Irish lord can easily blend into ...