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首页> 外文期刊>Zootaxa >Dentex carpenteri, a new species of deepwater seabream from Western Australia (Pisces: Sparidae)
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Dentex carpenteri, a new species of deepwater seabream from Western Australia (Pisces: Sparidae)

机译：Dentex carpenteri，一种来自西澳大利亚州的深水鲷的新物种（双鱼座：Sparidae）

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摘要

A new species of sparid fish, Dentex carpenteri, is described from nine type specimens collected off Ningaloo Reef near Exmouth, Western Australia. Four valid species of Dentex are currently known in the western Pacific, Dentex abei and Dentex hypselosomus in the Northern Hemisphere, and D. fourmanoiri and D. spariformis in the Southern Hemisphere. These four species comprise the " Dentex hypselosomus complex". Dentex carpenteri n. sp. is most similar to D. spariformis in overall body form, but differs from D. spariformis in having the posterior margin of the upper jaw not reaching or reaching slightly beyond a vertical at the anterior margin of eye; often with the greater part from the snout to the second infraorbital yellowish; deeper suborbital (9.7-10.9% SL); and a considerably deeper body (vs. posterior margin of upper jaw reaching clearly beyond anterior margin of eye; slight yellow region on snout; suborbital depth shallow (7.6-9.6% SL); and a less deep body in D. spariformis). The mitochondrial 16S ribosomal RNA genes (16S rRNA, 545 bp) of the above five species were analyzed using the Atlantic congener, Dentex macrophthalmus as an out-group, the results clearly indicating that Dentex carpenteri n. sp. is a valid and distinct species. A key to the " Dentex hypselosomus complex" is provided. The distributional information available for the five species from the western Pacific, including western Australia and the nearby eastern Indian Ocean, are discussed, with the species considered to be allopatric.
机译：从在澳大利亚西部埃克斯茅斯附近的宁格鲁礁附近采集的九种标本中，描述了一种新的fish鱼，即丹特斯木匠。目前已知在西太平洋有四种有效的树种，在北半球是已知的Dentex abei和hypselosomus，在南半球是已知的D. fourmanoiri和D. spariformis。这四个物种包括“树突突肌复合体”。丹特斯·卡彭特里sp。在身体形态上与D. spariformis最相似，但与D. spariformis的不同之处在于，上颚的后缘未达到或略微超过眼前缘的垂直方向;通常从鼻子到第二次眶下淡黄色。较深的亚轨道（9.7-10.9％SL）;以及更深的身体（上颌后缘明显超过眼睛的前缘;鼻子上有轻微的黄色区域;眶下深度较浅（SL-7.6-9.6％）;小腿D骨中的深度较小。用大西洋同源物Dentex macrophthalmus作为外群分析了上述五个物种的线粒体16S核糖体RNA基因（16S rRNA，545 bp）。结果清楚地表明，Dentex carpenteri n。 sp。是有效且独特的物种。提供了“ Dentex hypselosomus complex”的密钥。讨论了来自西太平洋（包括澳大利亚西部和附近的印度洋东部）的五个物种的可用分布信息，其中该物种被认为是异特异的。

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