(Chaetodon melapterus)
Chaetodon melapterus,the Arabian butterflyfish,blackfin butterflyfish,or black-finned melon butterflyfish,is a species of butterflyfish (family Chaetodontidae).It is found solely in the Persian Gulf,southern Arabian Peninsula (Gulf of Oman to Gulf of Aden),and southern Red Sea at depths of 2–16 metres (6.6–52.5 ft).