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.
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Place of origin:Western Indian Ocean
Eastern Indian Ocean, mainly in the Andaman Sea, ranging to the Maldives and northern Sumatra. In Sri Lanka it occurs on shallow rubble areas and reef edges to a depth of about 20m, but in the Maldives the depth range is 20-40m, where on rubble with sessile invertebrates. A dark looking species with a metallic blue shiny pattern of vertical bars on the body and anal fin. pale yellow pectoral fins, and thin blue margins on the median fins. Length to 10cm.