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Issue: Vol. 1038 No. 1: 19 Aug. 2005
Type: Articles
Published: 2005-08-19
DOI: 10.11646/zootaxa.1038.1.2
Page range: 11–22
Abstract views: 38
PDF downloaded: 3

Lioscorpius trifasciatus, a new scorpionfish (Scorpaeniformes: Setarchidae) from the South-West Pacific Ocean

CSIRO Marine & Atmospheric Research, GPO Box 1538, Hobart, Tasmania 7001, Australia
CSIRO Marine & Atmospheric Research, GPO Box 1538, Hobart, Tasmania 7001, Australia
Ichthyology, Australian Museum, 6 College Street, Sydney, New South Wales 2010, Australia
Setarchidae Lioscorpius new species Coral Sea Tasman Sea southwestern Pacific Ocean Australia

Abstract

A new scorpionfish, Lioscorpius trifasciatus sp. nov., is described from material collected from the eastern Australian continental slope between Hinchinbrook Island (central Queensland) and Port Jackson (New South Wales) in 250–400 m depth. It differs from the only other member of the genus, the widely distributed Indo–West Pacific congener, L. longiceps Günther, in having the following combination of characters: 3 anal-fin spines (rather than 2), smaller head dimensions (i.e. length 38.7–42.3% SL, orbit 7.4–8.2% SL, upper jaw 19.1–20.7% SL, and maxilla depth 5.3–6.1% SL), shorter predorsal distance (36.2–38.8% SL), some relatively long fin elements (i.e. longest pelvic-fin ray 18.6–19.8% SL, first anal-fin spine 5.0–6.6% SL, and second anal-fin spine 10.4–12.7% SL), 3 diagonal red bands across the pectoral fin, and a red caudal-fin margin.

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