blacktail butterflyfish or exquisite butterflyfish (chaetodon austriacus) undersea with beautiful colorful reef.

butterflyfish sea egypt blacktail red undersea exquisite black fish tropical underwater nature coral wildlife diving aquatic austriacus yellow water reef colorful ocean life wild animal marine chaetodon saltwater exotic butterfly snorkeling beautiful scuba background vacation travel color coralfish seascape vivid environment beauty corals aqua