Abstract
Halacarsantia acuta sp. n. is described from Wistari Reef, Capricorn Group, southern Great Barrier Reef, the first record of the genus from Australia. The new species differs from its congeners in having antenna flagellum composed of 8 articles; epipod apically acute, without setae, broad maxilliped endite and pereopod 1 basis with a short projection. A key to species of the genus is provided.
Highlights
The Santiidae is a small family of the Asellota with 28 species in five genera (Schotte et al 2008 onwards)
We report a new species of Halacarsantia from the shallow coral-reef habitats of the Capricorn Group, southern Great Barrier Reef
Collections of isopods were obtained by the CReefs program organized by the Australian Institute of Marine Science (AIMS) in Heron Island in 2009
Summary
The Santiidae is a small family of the Asellota with 28 species in five genera (Schotte et al 2008 onwards). Species, Halacarsantia uniramea (Menzies & Miller, 1955) and H. kussakini Müller, 1992 has been so far described from the southern Pacific, from New Zealand and coral reefs at Mooréa (Society Islands) respectively.
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