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Trimar Aquaria and Reptiles

  • Angel Keyhole Small

Angel Keyhole Small








Place of origin: 



Holacanthis tibicen

Widespread tropical Western Pacific, from Japan to Australia, ranging west to Thailand, Christmas Island and Western Australia and east to Coral Sea and New South Wales. Expatriates south to Montague Island and coastal waters of southern New South Wales. Often a common species found in various habitats  from silty coastal bays and harbours to outer reefs. Adults occur in small loose groups where common. Small juveniles secretive in narrow crevices, often where sea-urchins  rest during the day. Adults and juveniles are readily identified by their mostly black colour and a conspicuous white vertical bar or blotch centrally on the body . In tiny juveniles it is usually present us a narrow bar from top  to bottom, shortening and widening proportionally with growth. First a yellow border on the anal fin develops with growth and then a narrow blue line between the black and yellow, that lines up with the blue margins of the caudal and dorsal fins appears. Some large individuals are black with a blue hue, probably males. Length to 15cm. 

They are commonly referred to as pygmy angelfishes, due to their generally much smaller size than other angelfish genera. The species are variably distributed in tropical and subtropical seas of the world. Few have large geographical distributions and some are endemic to tiny oceanic outposts, an island , or small island group. They occur on algal-rocky and coral reefs, and most species live in shallow waters at depths to about 15m,  but some range to 70m or more, and a few inhabit only depths of more than 50m. Pygmy angelfishes are quick-darting and often shy species that hug the substrates with tunnels and crevices, ready to disappear and appear again several metres away.

  • Care sheet 

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