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首页> 外文期刊>Journal of Crustacean Biology >Studies of male sexual tubes in hermit crabs (Crustacea: Decapoda: Anomura: Paguroidea). III. Morphology of the sexual tube in Catapagurus sharreri A. Milne-Edwards, 1880 (Paguridae)
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Studies of male sexual tubes in hermit crabs (Crustacea: Decapoda: Anomura: Paguroidea). III. Morphology of the sexual tube in Catapagurus sharreri A. Milne-Edwards, 1880 (Paguridae)

机译：寄居蟹男性性管的研究（Craustacea：Decapoda：Anomura：Paguroidea）。 III。 Catapagurus Sharreri A. Milne-Edwards的性管形态学，1880年（Paguridae）

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摘要

This study, the third of a multi-part series on male sexual tubes in hermit crabs, the external morphology of the tube of the western Atlantic Catapagurus sharreri A. Milne-Edwards, 1880 is documented using scanning electron microscopy. The male of this species has an unpaired right sexual tube that is long (more than five coxal lengths), and curves externally and upwardly around the pleon, ending at about the mid-dorsal surface of the pleon. The tubes are subcylindrical, flexible, lack a cuticular ridge, and terminate in an opening surrounded by a dorsal beak-like and a ventral rounded lip. Setation on the tubes consist of short, simple, and relatively sparse setae, more numerous near the distal portion of the tube and gonopore. The tube is of cuticular origin, and represents an extension of the calcified right coxa. The morphology of the tip of the tube, with similar to the tip of an elephant trunk, is particularly intriguing and possibly represents a character shared with other species of Catapagurus A. Milne-Edwards, 1880. The tube of C. sharreri is compared with those documented for other species in previous parts of this series, the marine pagurid Micropagurus acantholepis (Stimpson, 1858), and the semi-terrestrial coenobitids Coenobita perlatus H. Milne Edwards, 1837 and C. clypeatus (Fabricius, 1787). The evolution of highly diverse sexual tubes in 63.6% of the genera of Paguridae that are know to have them, continues to raise intriguing questions for future study.
机译：本研究，寄居蟹在麦克风螃蟹中的男性性料管中的三分之一，西部大西洋Catapagurus Sharreri A. Milne-Edwards的外部形态，使用扫描电子显微镜记录了1880年。该物种的男性具有未配对的右性性管，长（超过五个Coxal长度），并在胸膜外部和向上弯曲，结束胸膜中背面。管是柔性的，柔性的柔性脊，并终止于由背侧喙状和腹圆唇围绕的开口。在管子上设定，由短，简单，相对稀疏的砂岩组成，靠近管和圆锥脉的远端部分。管是有切割的原点，并且代表钙化右柯卡的延伸。管尖的形态，与大象躯干的尖端相似，特别是有趣的，并且可能代表与其他物种共同的Catapagurus A. Milne-Edwards，1880年。C.Sharreri的管比较那些在本系列前一部分的其他物种文件中，海洋Pagurid Microcagurus acanthepis（Stimpson，1858）和半陆生Coenobitids Coenobita Perlatus H. Milne Edwards，1837和C.Clypeatus（Fabricius，1787）。在63.6％的Paguridae中高度多样化的性管的演变，即知道拥有它们，继续提高未来研究的兴趣问题。

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