Carnivores are the most diverse of feeding types among coral reef fishes. These are found in coral reef gastric cavities. The lagoon is encircled by fringing coral reef. Astola is also home to coral reef. Its coral reefs are home to coral reef fish species. As with all fish, coral reef fish harbour parasites. Sponges are essential for the functioning of the coral reef that system. Trunk Bay has an underwater trail for snorkeling along its coral reef. Puerto Rico is home to over 5,000 square kilometers of shallow coral reef ecosystems. It is one of the four coral reef regions in India. It is a disease that can destroy miles of coral reef fast. As a consequence parasites of coral reef fish show tremendous variety. They form part of a coral reef and lagoon. These dinoflagellates are therefore among the most abundant eukaryotic microbes found in coral reef ecosystems. They are also threatened by the degradation and destruction of their coral reef habitat.