Blacktail butterflyfish (Chaetodon austriacus) floats over Acropora Coral (Acroporidae), Red Sea, Egypt, Africa

acropora sp acropora sp acroporas acropora acroporidae acroporid corals acroporid coral african africa animals in the wild animals animal anthozoa blacktail butterflyfishes blacktail butterflyfish bony fishes bony fish butterflyfish chaetodon austriacus chaetodontidae cnidarians cnidarian cnidaria coral reefs coral reef corals coral egypt fauna fish group of animals groups of animals groups group habitat many animals many marine animals marine animal marine fishes marine fish natural environments natural environment natural habitat nature nobody no one no people north african north africa northern africa numerous ornamental fish osteichthyes pisces pods red sea reefs reef saltwater fish schooling fish school of fish school scleractinia several animals several shoal of fish shoals stony corals stony coral swarm behaviours swarm behaviour swarming swarm swimming swim underwater photos underwater photo underwater worlds underwater world under water underwater water animals water animal water wild animals wild animal wildlife