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metal prints animal metal prints aquatic metal prints biology metal prints invertebrate metal prints leg metal prints microfauna metal prints sem metal prints semi-aquatic metal prints tardigrade metal prints tardigrades metal prints water bear metal prints zoology metal prints

photographs animal photos aquatic photos biology photos invertebrate photos leg photos microfauna photos sem photos semi-aquatic photos tardigrade photos tardigrades photos water bear photos zoology photos

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Water bear leg. (Milnesium alpigenum - formerly Milnesium tardigradum) Color enhanced scanning electron micrograph (SEM) of a water bear's leg. Water bears (or tardigrades) are tiny invertebrates that live in aquatic and semi-aquatic habitats such as lichen and damp moss. They have four pairs of short legs each with a set of claws at the end. Water bears require water to obtain oxygen by gas exchange. In dry conditions, they can enter a cryptobiotic state of desiccation, known as a tun, to survive. In this state, water bears can survive for up to a decade. Milnesium tardigradum is a carnivorous species that feeds on rotifers and nematodes. Water bears are found throughout the world, including regions of extreme temperature, such as hot springs, and extreme pressure, such as deep underwater. They can also survive high levels of radiation and the vacuum of space. Magnification x960 when printed 10cm wide.