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Cartilaginous fish including sharks and stingrays can detect small variations in electric potential with their electroreceptive organs, the ampullae of Lorenzini. These appear to be able to detect magnetic fields by induction. There is some evidence that these fish use magnetic fields in navigation.
Opistophalmus glabrifrons (commonly known as the shiny burrow scorpion [1] [2] or the yellow-legged burrowing scorpion [3] [4]) is a large (adult size: 11–15 cm [5] [3]) species of burrowing scorpion found in Southern and Eastern Africa.
An optical sensor can measure the changes from one or several light beams. When a change occurs, the light sensor operates as a photoelectric trigger and therefore either increases or decreases the electrical output. An optical switch enables signals in optical fibers or integrated optical circuits to be switched selectively between circuits ...
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Lychas buchari, also known as the yellow sand scorpion or Buchar's scorpion, is a species of small scorpion in the Buthidae family. It is native to Australia , and was first described in 1997 by Czech arachnologist Frantisek Kovarik.
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The Arizona bark scorpion (Centruroides sculpturatus, once included in Centruroides exilicauda) is a small light brown scorpion common to the Sonoran Desert in the southwestern United States and northwestern Mexico. An adult male can reach 8 centimetres (3.1 in) of body length, while a female is slightly smaller, with a maximum length of 7 ...
In southern Africa, thick-clawed scorpions belonging to the families Scorpionidae, Bothriuridae, and Ischnuridae, are generally assumed to be harmless. However, Opistophthalmus glabrifrons is an exception to the rule. Opistophthalmus species are burrowing scorpions, and probably never leave their burrows except when coming out to mate. This ...