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The tail-flip escape behavior was first described in the crayfish Procambarus clarkii. In 1946, C. A. G. Wiersma first described the tail-flip escape in the crayfish Procambarus clarkii and noted that the giant interneurons present in the tail were responsible for the reaction.
A white-headed dwarf gecko with tail lost due to autotomy. Autotomy (from the Greek auto-, "self-" and tome, "severing", αὐτοτομία) or 'self-amputation', is the behaviour whereby an animal sheds or discards an appendage, [1] usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape.
Euastacus crayfish are distinguished from the smooth-shelled Cherax species by the short robust spikes on their claws and carapace, and frequently, their larger size. Many Euastacus species grow to a relatively large size, with the Murray River crayfish ( Euastacus armatus ) being the second largest freshwater crayfish species in the world.
Crayfish can be cooked more humanely by first freezing them unconscious for a few hours, then destroying the central nervous system along their abdomen by cutting the crayfish lengthwise with a long knife down the center of the crayfish before cooking it. [46] Global crayfish production is centered in Asia, primarily China.
To fully explain why beavers slap their tails we need to look at their social structures. They live in colonies of around 8 to 12 individuals and form strong family bonds.
The chelipeds in P. zealandicus are much hairier at their tips than those of P. planifrons. [3] The four pairs of well-developed walking legs are used for most movement, but the pleopods are small and no use for swimming; when alarmed, koura can flick their tails forward violently to propel themselves backwards at speed. [3]
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One common dog quirk involves chasing their own tails. While many dogs do it when struck with a burst of playfulness, the reasons behind self-tail chasing are varied. Often this behavior ...