首页> 外文期刊>Ichthyological Exploration of Freshwaters >Description of three species of Salvelinus (Teleostei: Salmonidae) from the Great Smoky Mountains National Park, Tennessee, U.S.A.
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Description of three species of Salvelinus (Teleostei: Salmonidae) from the Great Smoky Mountains National Park, Tennessee, U.S.A.

机译:来自大烟山国家公园,田纳西州的三种Salvelinus(Teactostei:Salmidae)的描述。

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摘要

Three new species of Salvelinus are described from the Great Smoky Mountains National Park, Tennessee. The light spots on a dark background clearly place all three species in the genus Salvelinus. All three species are in subgenus Baione, which to date contains only one extant species, Salvelinus fontinalis. Synapomorphies of Baione include mottled vermiculated markings on the dorsal portion of the body, on caudal and dorsal fins; the black edge and white border of the pelvic and anal fins; and the lack of teeth on the basibranchials. The three new species all possess these synapomorphies of Baione. The higher number of vertebrae and retrognathous jaws, which form a slightly inferior mouth distinguish all three species from Salvelinus fontinalis. Salvelinus kingi, new species, is distinguished from Salvelinus multidentatus, new species, by the fewer number of teeth on the basihyal (5-7 vs. 8-9) and from Salvelinus angustus, new species, by fewer lateral-line scales (109-115 vs. 118-130). The numberof lateral-line scales of S. angustus (118-130) differentiates it from S. multidentatus (88-111).
机译:三种新的Salvelinus物种是从田纳西州的大烟山国家公园描述的。黑暗背景上的光点清楚地将所有三种物种放在Salvelinus属中。所有三种物种都是迄今为止迄今为止含有一个现存物种的Salvelinus Fontinalis。 Baione的同曲面包括在尾部和背鳍上的背部背部上的斑点蠕虫标记;骨盆和肛门鳍的黑边缘和白色边界;并且缺乏牙齿在基础上的牙齿。这三种新物种都拥有百微的这些突触臂章。椎骨数量越多,腹部略微较差,略微较差地区分所有三种物种来自萨尔替尼Fontinalis。 Salvelinus Kingi,新物种与Salvelinus Multideratus,新物种的区别,通过斜倚(5-7与8-9)和Salvelinus angustus,新物种的牙齿较少的牙齿,较少的侧向线尺度(109 -115与118-130)。 S.Angustus(118-130)的侧向线尺度的数量将其与S. Multidentatus(88-111)区分开来。

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