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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 ]
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 ...
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]
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]
While the earliest chelicerates and the living Pycnogonida (if they are chelicerates [70]) and Xiphosura are marine animals that breathe dissolved oxygen, the vast majority of living species are air-breathers, [82] although a few spider species build "diving bell" webs that enable them to live under water. [84]
One may argue whether Link's diving chamber which was used in the "Man-in-Sea I" project, may be called an underwater laboratory. But the Bentos 300, planned by the Soviets, is not so easy to classify as it has a certain ability to maneuver. Therefore, the possibility exists that this diving hull is classified elsewhere as a submersible.
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