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| The Leiognathus aureus complex (Perciformes: Leiognathidae) with the description of a new species |  |
| Kimura, S.; Dunlap, P.V.; Peristiwady, T.; Lavilla-Pitogo, C.R. (2003). The Leiognathus aureus complex (Perciformes: Leiognathidae) with the description of a new species Ichthyol. Res 50(3): 221-232. hdl.handle.net/10.1007/s10228-003-0160-z |
| In: Ichthyological Research. Springer: Tokyo. ISSN 1341-8998, meer |
| Trefwoorden |
Neotypes; Nieuwe species; Leiognathus aureus; Leiognathus hataii; Leiognathus panayensis; Marien |
| Author keywords |
Leiognathus aureus complex |
| Abstract |
Taxonomic analysis of a group of morphologically similar ponyfishes (Perciformes: Leiognathidae) establishes a complex comprising three valid species: Leiognathus aureus Abe and Haneda, 1972, widely distributed in the western Pacific Ocean (Taiwan, Philippines, Thailand, Singapore, Indonesia, and northern Australia); L. hataii Abe and Haneda, 1972, currently known only from Ambon, Indonesia; and L. panayensis sp. nov. Kimura and Dunlap, currently known only from Panay Island, the Philippines. The L. aureus complex can be defined by the following combination of characters: mouth protruding forward, not downward; small but sharp conical teeth uniserially on jaws; a black line between lower margin of eye and lower jaw articulation; and lateral line incomplete, ending below posterior part of dorsal fin base or on anterior caudal peduncle. Leiognathus hataii differs from both L. aureus and L. panayensis in having a large dark blotch below the spinous dorsal fin base and fewer counts of scales (lateral line scales 50–58 vs. 64–85 in the latter two species; scales above lateral line 7–10 vs. 12–18; scales below lateral line 22–26 vs. 30–41). Leiognathus panayensis is distinguished from L. aureus in having a deeper body (41–51% SL vs. 35–45% SL in the latter), long posterior limb of maxilla (21–25% HL vs. 15–23% HL), wholly scaled belly (vs. naked along preanal median keel), and a dark blotch on nape (vs. absent). |
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