Tailless whip scorpion
Amblypygi
The tailless whip scorpion, discreet hunter of tropical nights
The tailless whip scorpion belongs to a group of arachnids that is still little known to the general public. Often confused with a spider or a scorpion because of its appearance, it nevertheless falls under an order in its own right: the Amblypygi. In Martinique, this discreet animal is part of the local nocturnal fauna, even if it remains difficult to observe.
Contrary to what its impressive appearance might suggest, tailless whip scorpions are completely harmless to humans. It has no stinger or venom. Its name, derived from Greek, refers to this absence of stinging. Its survival is based not on attack, but on the discretion and precision of its movements.
In Martinique, it is mainly found in humid and shady environments. It takes refuge in crevices, under bark, in rock cavities or at the entrances of caves. These micro-habitats provide it with the humidity and freshness necessary for its lifestyle. Strictly nocturnal, it remains immobile during the day and becomes active at nightfall.
Its flattened body allows it to slip into narrow spaces. Its long front legs, shaped like whips, are not used for walking but for exploring its environment. They function as real sensory sensors. The tailless whip scorpions mainly hunts insects and small invertebrates, thus contributing to the natural regulation of nocturnal fauna.
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Quelques anecdotes
An attentive parent
In tailless whip scorpion, the female carries her eggs in a bag located under her abdomen. After hatching, the young remain attached to its back until their first molt. This protective behavior is rare in arachnids and greatly increases the chances of survival of the young.
Very sensitive “antennae”
The tailless whip scorpion long whip legs are capable of detecting the slightest vibration. Thanks to them, it identifies its prey, avoids obstacles and detects the presence of other individuals, without the need for venom or efficient vision.
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