watch where you pee

This afternoon, while I was sweating out my frustrations via one of the gym’s cross-trainers, I listened to the May 20th podcast from The Skeptics Guide to the Universe. Among other things, they discussed the candiru, a small freshwater Amazon fish that allegedly swims up the urine stream of someone urinating (stories aren’t clear as to whether you […]

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what turns on zebra fish

Achievement Standard 90716 expects you to know something about a range of animal behaviours, including intraspecific relationships (territoriality, cooperative interactions, reproductive behaviours, hierarchical behaviour, competition for resources) – & the relationship between behaviour patterns & environmental factors. Quite a range of stuff there – although it’s worth remembering that these are not isolated, stand-alone categories. With […]

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snail s*x toys

 This tale follows on from that piece on leopard slug courtship from a few days ago. I commented then that copulation in garden snails is generally preceded by (among other things) pushing ‘darts’ into each other’s bodies. There’ve been various explanations for this odd behaviour (I mean, it sounds painful!), including the suggestion that the […]

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leopard slugs: s*x on a bungy cord

… or something like it anyway! Leopard slugs, like other terrestrial slugs & snails, are hermaphrodites. They produce both eggs & sperm, but must exchange sperm with another slug in order to fertilise their eggs. (This reproductive strategy means that an amorous snail doesn’t have to find a partner of the opposite sex, it needs […]

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