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, ...

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 ...

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 ...

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 ...

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 ...

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 ...

Throughout the Mediterranean Sea, eastern Pacific Ocean, Gulf of Mexico and western Atlantic, spot-fin porcupinefish can be found in holes and crevices in coastal coral reefs. The spot-fin ...

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, ...