12536 Chaetodon sanctaehelenae Günther, 1868 Chaetodontidae Butterflyfishes Acanthuriformes Teleostei Saint Helena butterflyfish Southeast Atlantic: Known only from the Ascension and St. Helena Islands (Ref. 4855). Recorded from Canary Is. from 2 individuals most likely introduced (Ref. 52678). FB 2741455 Chaetodon sanctaehelenae uniformis ISH 1078-1964 1964 Chaetodon sanctaehelenae 50 m