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首页> 外文期刊>Fisheries and Aquatic Sciences >Osteological development of wild-captured larvae and a juvenile Sebastes koreanus (Pisces, Scorpaenoidei) from the Yellow Sea
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Osteological development of wild-captured larvae and a juvenile Sebastes koreanus (Pisces, Scorpaenoidei) from the Yellow Sea

机译:黄海野生捕获的幼体和幼体Sebastes koreanus(双鱼座,Scorpaenoidei)的成骨发育

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摘要

The osteological development in Sebastes koreanus is described and illustrated on the basis of 32 larvae [6.11-11.10 mm body length (BL)] and a single juvenile (18.60 mm BL) collected from the Yellow Sea. The first-ossified skeletal elements, which are related to feeding, swimming, and respiration, appear in larvae of 6.27 mm BL; these include the jaw bones, palatine, opercular, hyoid arch, and pectoral girdle. All skeletal elements are fully ossified in the juvenile observed in the study. Ossification of the neurocranium started in the frontal, pterotic, and parietal regions at 6.27 mm BL, and then in the parasphenoid and basioccipital regions at 8.17 mm BL. The vertebrae had started to ossify at -7.17 mm BL, and their ossification was nearly complete at 11.10 mm BL. In the juvenile, although ossification of the pectoral girdle was fully complete, the fusion of the scapula and uppermost radial had not yet occurred. Thus, the scapula and uppermost radial fuse during or after the juvenile stage. Thefive hypurals in the caudal skeleton were also fused to form three hypural elements. The osteological results are discussed from a functional viewpoint and in terms of the comparative osteological development in related species.
机译:根据32个幼虫[6.11-11.10 mm体长(BL)]和从黄海收集的单个少年(18.60 mm BL)来描述和说明韩国Sebastes koreanus的骨发育。与进食,游泳和呼吸有关的第一个骨化骨骼元素出现在6.27 mm BL的幼虫中。这些包括下颌骨,ala骨,眼睑,舌骨弓和胸带。在研究中观察到的少年中所有骨骼元素都被完全骨化。神经颅骨的骨化开始于前额,翼状,和顶叶区域,位于6.27 mm BL,然后开始于蝶骨和副枕骨区域,位于8.17 mm BL。椎骨在-7.17 mm BL处开始骨化,并且在11.10 mm BL处骨化几乎完成。在少年时期,尽管胸带的骨化完全完成,但肩s骨和最上radial骨的融合尚未发生。因此,在少年阶段期间或之后,肩骨和最上层径向融合。尾骨中的五个菌丝也融合形成三个菌丝元素。从功能的角度以及相关物种的比较骨学发展方面讨论了骨学结果。

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