Sand tiger sharks can grow up to 20 feet (6.1 meters) long, with an average length of 12 feet (3.7 meters). They can weigh up to 600 pounds (272.2 kilograms), but weigh around 240 pounds (108.9 ...

Details: The foureye butterflyfish is named for the large black spots near its tail that resemble a second pair of eyes, confusing predators. Its light gray body has dark chevron stripes. At night, ...

Details: Blue parrotfish are pale as juveniles and deeper blue as adults. Large males have a pronounced forehead hump. They scrape algae off coral and rocks, helping maintain coral reefs. By grinding ...

This anemone secretes a toxin that can be harmful to humans. Using its polyp tentacles, mat anemones will catch and eat smaller marine organisms that drift by. They also have a special algae—called ...

Details: Blueface angelfish are striking fish with various textures and patterns all over their body. These fish have a deep blue scrawled pattern on their face, a bright yellow crosshatch pattern on ...

Female mosquitofish are larger than their male counterparts, growing up to 2.4 inches (6.1 centimeters) long. Males usually reach 1.4 inches (3.6 centimeters) in length. These freshwater fish can be ...

Details: These sea jellies can range from pink and orange to white and yellow. Their bell has darker radial lines and 24 long, thin tentacles with stinging cells (nematocysts) to help immobilize prey.

Details: This sea cucumber has its mouth in front and tube feet at the back that help it move through the sandy seafloor. It feeds on detritus and organic material in the sand, recycling nutrients and ...

These fish can get up to 20 pounds (9.1 Kilograms) but are commonly found around 5 pounds (2.3 Kilograms). Crevalle jack can be found in the western Atlantic ocean and in the Gulf of Mexico from ...

Details: Caribbean reef octopuses usually appear white with an orange and brown vein-like pattern, but they can change colors quickly. Special cells in their skin, called chromatophores, help them ...

Range & Habitat: The lesser devil ray is a pelagic species that can be found swimming near the surface of the water over the continental shelf, and are sometimes seen closer to shore in bays. They are ...

Details: Caribbean spiny sea stars are brown-red with small spines giving them a rough texture. They have five arms and a mouth on their underside. In some cases, a whole new sea star can develop from ...