... and they have done great damage on Australia's Great Barrier Reef. Examples include:-Zooxanthellae lives inside the polyps in coral. All together, there are 1,500 species of marine fish, 360 species of hard corals, 600 species of echinoderms (starfish, sea urchins, sea cucumbers), and 500 species of seaweed. Holding the world's largest collection of corals (more than 400 different kinds), coral sponges, molluscs, rays, dolphins, over 1500 species of tropical fish, more than 200 types of birds, around 20 types of reptiles including sea turtles and giant clams over 120 years old. It is made up of a collection of over 2,900 individual coral reefs and 600 idyllic islands that stretch for 2,300 km along the north-eastern coast of Queensland, Australia in the Coral Sea in the Pacific Ocean. The blades of Shoal grass are stiff and flattened. Like the parrotfish, it is essential in the process of sediment removal. In order to collect the sunlight needed for photosynthesis, plants in coral reefs have larger cells. Learn about new Great Barrier Reef experiences, the latest holiday package deals and exclusive offers. Animals. Shoal grass is the most grass-like looking out of the other types of sea grass. Green Turtle. In fact, there are over 2,800 plant species in the World Heritage-listed area, 700 of which are endemic to the Wet Tropics, meaning they can’t be found anywhere else in the world. Plants: Animals: Sea Grasses Shoal Grass and Turtle Grass are two types of plants that live in the coral reef. From single celled algea to the very large Minke whale. Unlike algae, seaweed are natural flowering plants like normal land plants. Read More. Manta Ray. The Great Barrier Reef is home to some of the most unique creatures on the planet. Coral is made of small organisms called Coral Polyps. Animals: The animals that live in the Great Barrier Reef vary greatly. The Great Barrier Reef is the largest coral reef in the world. Hawaii’s Maro Coral Reef Credit: ... “Lembeh Strait is a fantastic place to find species that have evolved to resemble other animals or plants to survive. Tiny algae (zooxanthellae) uses photosynthesis to give energy to the coral when the coral Red algae is very important. Bizarre and Beautiful Coral Reef Animals. If the Great Barrier Reef has one predator it would be the Crown of Thorns Starfish. A study looking at surgeonfish (Ctenochaetus striatus) on the Lizard Island reef, in the northern end of the Great Barrier Reef, found these fish ate somewhere between 8 and 66 grams of sediment per fish per day. Plants have also created many symbiotic relationships with other animals in order to survive. With the largest brain to body ratio of any living fish, these gentle giants are under threat. In terms of size, it is as big as Germany or Japan and half as big as Texas. There are Hard Coral Polyps and Soft Coral Polyps. These threatened species need your help. Indo-Pacific coral reefs are home to over 600 species of hard corals (also called stony corals or scleractinian corals), and 4000-5000 species of reef fishes (Veron 2000, Lieske and Myers 2001). Corals provide essential habitat structure and energy in coral reef systems, facilitating the existence of numerous reef associated species. They form crusts that cement together the coral and make up the framework of the reef. Because of the lens I was using, I had to get really close to this crab. The surgeonfish is another important reef-dweller. The Great Barrier Reef has 1/3 of the worlds soft coral. The Great Barrier Reef is home to thousands of plants and animals that all contribute to its rich diversity. There are 400 different species of coral in the Great Barrier Reef.