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.

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 ...

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 ...

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 ...

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, ...

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 ...

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, ...

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 ...

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 ...

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.

Throughout the Gulf of Mexico, Caribbean Sea, and western Atlantic Ocean, giant hermit crabs inhabit inshore reefs, beds of turtle grass, muddy, sandy and shelly bottom areas. Giant hermit crabs have ...

Scaled herrings travel in large groups, called schools. Throughout the Caribbean Sea, west Atlantic Ocean and Gulf of Mexico, scaled herrings inhabit coral reefs and sandy bottoms near the shore.