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The diving bell spider or water spider (Argyroneta aquatica) is the only species of spider known to live almost entirely under water. It is the only member of the genus Argyroneta . [ 6 ] When out of the water, the spider ranges in colour from mid to dark brown, although the hairs on the abdomen give it a dark grey, velvet -like appearance. [ 7 ]
The Japanese water spider spins four main kinds of silk: (1) silk used for the diving bell, (2) silk to anchor the diving bell to water plants, (3) silk for "walking" so as to get prey and mate, and (4) silk for the egg-cocoon. [5] The diving bell silk is "used for breathing," that is it serves to oxygenate the diving bell. [6]
Spider behavior refers to the range of behaviors and activities performed by spiders. Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom . They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms [ 1 ] which is reflected in their ...
In 1988, Australian screenwriter Andrew Wright participated in a diving expedition to the Pannikin Plains cave system, which turned to disaster when flash floods collapsed the entrance to the caves.
Cybaeidae is a family of spiders first described by Nathan Banks in 1892. [1] The diving bell spider or water spider Argyroneta aquatica was previously included in this family, but is now in the family Dictynidae. [2] [3]
Diving bell spider (Argyroneta aquatica) Argyroneta Latreille, 1804. A. aquatica (Clerck, 1757) — Europe, Turkey, Caucasus, Russia (Europe to Far East), Iran ...
In very small animals, plants and bacteria, simple diffusion of gaseous metabolites is sufficient for respiratory function and no special adaptations are found to aid respiration. Passive diffusion or active transport are also sufficient mechanisms for many larger aquatic animals such as many worms, jellyfish, sponges, bryozoans and similar ...
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