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Water spider: Difference between revisions
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== Anatomy == | == Anatomy == | ||
[[File:example.jpg|thumb|150px|left|Description]] | [[File:example.jpg|thumb|150px|left|Description]] | ||
The water spider's body is greatly adapted to the water. Fine setae | The water spider's body is greatly adapted to the water. Fine setae covers the opisthosoma which is used as an aquatic | ||
lung | lung that allows the spider to breathe under water by the setae trapping an air bubble against the spider's body and connected to the tracheal spiracles. The oxygen in the water surrounding the air-bell is diffused which can be exchanged in the tracheal system the normal way. Oxygen and Carbon dioxide can be increased and decreased so that the air bubble replenishes it's air[[http://www.americanarachnology.org/JoA_Congress/JoA_v30_n2/arac-30-02-189.pdf 2]]. The female water spiders can grow to 8mm all the way to 15mm, the male can grow up to 9mm to 12mm. Although the female has a greater range, the male tends to be bigger to some degree than the females in most cases[[http://www.the-piedpiper.co.uk/th11f(5).htm 3]]. | ||
