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世界上最大的蜘蛛:格莱斯捕鸟蛛

2015-07-11 | 人围观 | 评论:暂无评论

格莱斯捕鸟蛛是世界上最大的蜘蛛

蜘蛛的种类很多,全世界已知的蜘蛛种类就有35000种。但是不同种类的蜘蛛个体大小彼此间悬殊很甚,大的很大,小的甚小,而且雄雌个体大小也有差异。

世界上最大的蜘蛛是生活在南美洲的潮湿森林中的格莱斯捕鸟蛛。它在树林中织网,以网来捕捉自投罗网的鸟类为食。雄性蜘蛛张开爪子时有38厘米宽,重 量约为120克,毒爪的长度为2.5厘米。当它咬住猎物时,它先设法使猎物不能动弹,然后,将消化液注入猎物体内,这时,它就可以喝到美味了。这种“食 鸟”蜘蛛据说在上海市郊区曾发现过:一位工人述说,他在钓鱼的时候曾见过两次,有拳头那么大的捕食鸟蜘蛛,因体形奇异惊人,当时不敢轻易用收取碰它。

The world's largest known spider is a male goliath bird-eating spider (Theraphosa blondi) collected by members of the Pablo San Martin Expedition at Rio Cavro, Venezuela in April 1965. It had a record leg-span of 28 cm (11 in) - sufficient to cover a dinner plate. This species is found in the coastal rainforests of Surinam, Guyana and French Guiana, but isolated specimens have also been reported from Venezuela and Brazil.

A two year old spider of the same species, bred by Robert Bustard and reared by Brian Burnett of Alyth, Perthshire also had a leg span of 28 cm (11 in) and weighed 170 g (6 oz) in February 1998.

Body length: 280 mm, Weight: 50 g, lifespan: 10 years, discovered: 1804.

标签:世界最大  蜘蛛