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首页> 外文期刊>Zoological Science >Biology of the Swimming Acorn Worm Glandiceps hacksi from the Seto Inland Sea of Japan
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Biology of the Swimming Acorn Worm Glandiceps hacksi from the Seto Inland Sea of Japan

机译：日本濑户内海游泳橡子蠕虫Glandiceps hacksi的生物学

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摘要

The enteropneust hemichordate Glandiceps hacksi inhabits the muddy bottoms of the intertidal to subtidal zones of Koguno-shima Island, located in the central part of the Seto Inland Sea of Japan. Monthly collections from October 2005 to September 2007 revealed that their spawning occurs once a year, in the latter half of May. Parameters such as density and sex ratio, as well as the type of sediment, were also examined. Worm behavior and type of burrows revealed that G. hacksi are infaunal burrowers. Autotomy and regeneration of their posterior regions, and swimming behavior were also observed in an aquarium environment. This is the first comprehensive study on the biology of G. hacksi, the swimming acorn worm.
机译：肠源性半草酸盐的Glandiceps hacksi栖息在位于日本濑户内海中部的Koguno-shima岛的潮间带至潮间带的泥泞底部。从2005年10月到2007年9月的月度收集显示，它们的产卵发生在每年的5月下半月。还检查了诸如密度和性别比以及沉积物类型之类的参数。蠕虫的行为和穴居类型表明，G。hacksi是臭名昭著的穴居人。在水族馆环境中还观察到了它们后部区域的切开和再生，以及游泳行为。这是关于游泳橡子蠕虫G. hacksi生物学的首次综合研究。

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