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aqua 13(3-4)_Pterois andover

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SINGLE PAPER

Volume 13, Issue 3-4

25 January 2008

Gerald R. Allen and Mark V. Erdmann: Pterois andover, a new species of scorpionfish (Pisces: Scorpaenidae) from Indonesia and Papua New Guinea, pp. 127-138

Abstract

A new species of scorpionfish, Pterois andover, is described on the basis of six specimens, 83.9-168.0 mm SL, collected at southwestern Halmahera and western New Guinea (Papua and Papua Barat  provinces, Indonesia). It has also been photographed at northern Sulawesi and Flores, Indonesia and Milne Bay Province, Papua New Guinea. The new taxon superficially resembles P. volitans, a sympatric widespread Pacific species, but differs in having larger body scales ( 81 and 18-25 respectively) and usually 13 versus 14 pectoral-fin rays. The two species are readily distinguished underwater on the basis of dorsal fin morphology, particularly the shape and colour of the spine membranes. Pterois andover possesses a narrow membrane posteriorly on each spine, which is more or less uniform brown and terminates in an exaggerated pennant-like structure. In contrast, the membranes of P. volitans are broader, boldly striped, and usually lack a well differentiated terminal pennant. The new species also has consistently fewer and fainter spots on the caudal, soft-dorsal, and soft-anal fins except for the population of P. volitans from western Australia.





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aqua is an international journal which publishes original scientific articles in the fields of systematics, taxonomy, bio-geography, ethology, ecology, and general biology of fishes since 1994. Papers on freshwater, brackish, and marine fishes will be considered. aqua is fully refereed and aims at publishing manuscripts within 2-4 months of acceptance. In view of the importance of colour patterns in species identification and animal ethology, authors are encouraged to submit colour illustrations in addition to descriptions of coloration. It is our aim to provide the international scientific community with an efficiently published journal meeting high scientific and technical standards.

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