It depends on the size – at least in the cancer Sex: According to scientific findings, certain hermit crabs have evolved longer penises, in the reproduction of their shells not to leave.

on Wednesday in the British journal “Royal Society Open Science” published a study with the title “Private Parts for Public Property” is, in General terms, the question of whether the length of the penis corresponds with the size of the house. Background: shrimp is a danger that robbers will reap the clam, if you have out of the house Sex run.

the author of The study Mark Laidre of the University of Dartmouth asked whether cancer of the penis be greater, the higher the risk for the animal is to be in accordance with the Fortpflanzungsakt homeless – or how Laidre writes: Were the penises are bigger, “to facilitate safe Sex”?

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According to his hypothesis, allow for longer penises it to the animals to reach their sexual partners, while “at the same time, with the Rest of your body is your property safe to the touch”. In this way, they could protect their shells during Sex from thieves. Special attention of the biologist informed on crabs, which have modified their shells. This behavior show some hermit crab species, edit your shells so that you can move around better. Such shells are also competitors popular prey.

in view of this, peer-reviewed Laidre points 328 different hermit crab species. According to his theory, those animals had to have had to identify with the modified, and thus most spacious luxury-shells, the longest penises, because their dwellings were the most for any robber to the attractive; whereas crabs with Standard shells or without shells, the shortest. He stayed on correlations, such as habitats on Land or in the sea, as well as overall body size.

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His assumptions, he saw The hermit crabs with the largest penises compared to their body dimensions were the species of the genus Coenobita – are the only, the tags to their shells. It is the cancers with the “unrenovated” dwellings followed, at the end of the scale, those that shed their shells as adult animals were. Laidre came to the with a British wit as formulated conclusion: “All other hypotheses to the penis size pulled the short straw.”

Similar conditions were presumably also used in other types of living beings. Laidre want to deal now, according to their own information also, among other things, with the question of whether the type of the shell has tag further impact on the penis size.

joe/AFP