Chimney Building by Male Uca formosensis Rathbun, 1921 (Crustacea: Decapoda: Ocypodidae) after Pairing: A New Hypothesis for Chimney Function
Chimney Building by Male Uca formosensis Rathbun, 1921 (Crustacea: Decapoda: Ocypodidae) after Pairing: A New Hypothesis for Chimney Function
复制标题
雄性 Uca formosensis Rathbun，1921 年配对后建造的烟囱（甲壳类：十足目：巨足科）：烟囱功能的新假说
作者：
H. Shih;H. Mok;Hsueh
台湾招潮蟹交配后烟囱的形成，是台湾特有的招潮蟹，首次发现。在吸引雌性进入其洞穴后，雄性在下一次小潮前的4或5 d内在底部建造一个平均高9.2 cm，直径7.7 cm的烟囱。它与性吸引力无关，因为烟囱在求爱之前或求爱期间不会出现。为了建造烟囱，雄性会挖掘洞穴，这可能会扩大竖井，更重要的是，会加深洞穴，使其达到地下水位，从而提供一个潮湿的房间，让雌性可以孵化她的蛋。从洞穴中挖出的泥球堆积在入口周围，形成烟囱，这里被认为是建筑者躲避敌人的一种方式。美国人口的性别比。并记录了其表面存在的台胞藻，并进行了讨论。
The construction of a chimney after pairing is first described for Uca formosensis Rathbun, 1921, a fiddler crab endemic to Taiwan. After attracting a female into his burrow, the male builds a chimney averaging 9.2 cm high and 7.7 cm in diameter at the base within a 4- or 5-d period before the next neap tide. It is not related to sexual attraction because the chimney does not appear prior to or during courtship. To build the chimney, the male excavates the burrow which probably widens the shaft and, more importantly, deepens the burrow so that it reaches the water table, thus providing a moist chamber in which the female can incubate her eggs. The mudballs dug out from within the burrow are piled around the entrance and form the chimney, which herein is assumed to function as a way for the builder to hide from its enemies. The sex ratio of U. formosensis present on the surface was also recorded and is discussed.
MURAI Minoru：“招潮蟹 UCA Rosea 中通过挥动爪子吸引雌性并在地下配对：关于 UCA 高级求偶起源的假设。”
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