Posted on Thursday, 8 December 2011

rhamphotheca: Scuba Spiders: Diving Arachnids Can Breathe Underwater by Jeanna Bryner Like eight-legged scuba divers, some spiders can breathe underwater using an air bubble as an oxygen tank of sorts. Now, scientists have figured out some of the fascinating details of this arachnid diving bell, including that it can give the spiders more than a day’s worth of air. While scientists knew diving bell spiders (Argyroneta aquatica) — spanning just 10 to 15 millimeters in length — used an air bubble to breathe underwater in lakes and ponds, this is the first study that measures exactly how that happens and calculates how long the spider could stay underwater before resurfacing to replenish its bubble with fresh air. “We were surprised how low the oxygen in the bubble could get before the spiders venture to the surface,” study researcher Roger Seymour, of the University of Adelaide, told LiveScience… (read more: Live Science)   (photo: Stephan Hetz)

rhamphotheca:

Scuba Spiders: Diving Arachnids Can Breathe Underwater

by Jeanna Bryner

Like eight-legged scuba divers, some spiders can breathe underwater using an air bubble as an oxygen tank of sorts. Now, scientists have figured out some of the fascinating details of this arachnid diving bell, including that it can give the spiders more than a day’s worth of air.

While scientists knew diving bell spiders (Argyroneta aquatica) — spanning just 10 to 15 millimeters in length — used an air bubble to breathe underwater in lakes and ponds, this is the first study that measures exactly how that happens and calculates how long the spider could stay underwater before resurfacing to replenish its bubble with fresh air.

“We were surprised how low the oxygen in the bubble could get before the spiders venture to the surface,” study researcher Roger Seymour, of the University of Adelaide, told LiveScience…

(read more: Live Science)   (photo: Stephan Hetz)

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    体に付けた気泡で一日以上潜っていられる…？ すごい
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    My worst nightmare.
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    This. Is. Terrifying.
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