Only weighing around half a pound and growing to be 9 inches (23 centimeters) long on average, sergeant major are considered a smaller reef fish. Highly social fish, sergeant major travel in schools ...

These sea cucumbers feed on the top layers of sand underneath coral reef communities. They filter organic matter like algae, tiny aquatic organisms and waste materials from the sand before expelling ...

Sea goldies can swim up to 180 feet (55 meters) deep. In the Indo-West Pacific, sea goldies can be found near patch reefs, lagoons, channels and outer reef slopes. Females in this species are small ...

Kemp's Ridley sea turtles are the smallest sea turtles, only growing to around 2 feet (0.61meters) long, and weighing in anywhere from 70-100 pounds (31.7- 45.4 kilograms). Kemp's Ridleys are most ...

On average, leatherback turtles measure six feet (1.8 meters) in length and a weigh anywhere between 500 to 1,500 pounds (226.8-680.4 kilograms). Jellyfish make up the majority of a leatherback's diet ...

Mountainous star corals are relatively large, as hinted in its name. Their colonies range from 1 to 10 feet (0.3-3 meters) in height. Zooxanthellae- the algae residing inside the coral's tissues - ...

These shrimp can kill their prey in two different ways: spearing with their sharp appendages or smashing with a powerful punch. These shrimp have an extremely powerful punch allowing them to kill prey ...

These fish are nocturnal feeders, meaning they wait until nighttime to search for food. In the Indo-west Pacific, marine bettas can be found in tropical waters among coral reef habitats. They hide in ...

Whitetip reef sharks are a smaller shark species, usually growing no more than 6 feet long. Males are slightly larger than females. At night, whitetip reef sharks feed on bottom and cave dwelling reef ...

Males in this species will guard their eggs and supply them with nutrients they need. Found in the Gulf of Mexico, western Atlantic Ocean and Caribbean Sea, brown chromis fish live near steep slopes ...

Yellow tangs hang out in small schools of fish that sometimes include other species. Yellow tangs are entirely yellow in color. They’re round and flat with long dorsal and pectoral fins. These tangs ...

These rays produce eggs that hatch inside of their body before birthing live young. Roughtail stingrays live in soft bottom habitats like seagrass meadows, muddy and sandy flats. Sometimes, they'll ...