orange anemonefish swimming in a coral reef

adaptation alive amphiprion anemone anemonefish aneomefish animal aquatic biodiversity clownfish colonies colorful coral ecology endangered eukaryotic evolution exoskeleton filter filtering finned fins fire fish gill gillbearing indian invertebrate living marine melanopus movement multicellular ocean organe pacific photosynthesis polyps reef salt saltwater scales sea sessile spines squamate strips swim tail tentacles vertebrate water