期刊
ICHTHYOLOGICAL RESEARCH
卷 52, 期 3, 页码 275-291出版社
SPRINGER JAPAN KK
DOI: 10.1007/s10228-005-0283-5
关键词
Leiognathidae; Leiognathus jonesi; Leiognathus kupanensis sp nov; Leiognathus rapsoni; Leiognathus splendens
Taxonomic analysis of a group of morphologically similar ponyfishes (Perciformes: Leiognathidae) establishes the Leiognathus splendens complex comprising four valid species: L. jonesi James, 1971, widely distributed in the Indo-West Pacific, from Mauritius to Papua New Guinea, north to Hainan I. (China), and south to Brisbane, Australia; L. kupanensis sp. nov., currently known only from Kupang, Timor, Indonesia; L. rapsoni Munro, 1964, currently known only from India, Indonesia, and Papua New Guinea, and L. splendens Cuvier, 1829, widely distributed in the eastern Indian and western Pacific oceans, from India to Papua New Guinea, and from southern Japan to northern Australia. The L. splendens complex can be defined by the following combination of characters: body depth 42-60% of standard length; mouth protruding downward; slender, minute teeth uniserially on jaws; lower margin of orbit above the horizontal through the gape when mouth closed; breast almost completely scaled; lateral line complete, and a dark blotch on top of spinous dorsal fin. Diagnostic characters of the members are as follows: L. jonesi-anterior dorsolateral body surface with a semicircular naked area on nape, and a paler dark blotch on spinous dorsal fin; L. kupanensis-anterior dorsolateral body surface widely naked; L. rapsoni-cheek scaled; L. splendens-anterior dorsolateral body surface completely scaled and a jet black blotch on spinous dorsal fin.
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