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Cybium,
Revue
Internationale dIchtyologie |
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Assessment of taxonomic characters of Scorpaenopsis obtusa and S. gibbosa (Scorpaenidae), with first records of S. obtusa from Japan and Australia and comments on the synonymy of S. gibbosa Hiroyuki MOTOMURA (1) & Gento SHINOHARA (2) (1) Ichthyology,
Australian Museum, 6 College Street, Sydney, New South Wales 2010, AUSTRALIA.
Abstract.
- Three specimens of the scorpionfish Scorpaenopsis obtusa
Randall & Eschmeyer, collected from Okinawa, Ryukyu Islands, Japan
(URM-P 21256, 40.4 mm SL), Lizard Island, Queensland (AMS I. 19482-190,
37.8 mm SL) and Bedwell Island, Clerke Reef, Rowley Shoals, Western Australia
(WAM-P 28037-001, 34.8 mm SL), represent the first reliable records from
Japan and Australia (and the Indian Ocean) and northernmost and southernmost
records of the species. The specimens are described herein and detailed
comparisons made with a related species, S. gibbosa (Bloch
& Schneider). The colour pattern of the inner surface of the pectoral
fin of S. obtusa and a colour photograph of a fresh specimen
are also figured for the first time. In addition, a nominal species, Scorpaena
axillaris Bliss, 1883, is regarded as a junior synonym of Scorpaenopsis
gibbosa. Validity of the previously recognized taxonomic characters
of both species is assessed and new diagnostic characters are proposed. |
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