Androctonus crassicauda

Arabian fat-tailed scorpion
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Scorpiones
Family:	Buthidae
Genus:	Androctonus
Species:	A. crassicauda
Binomial name
	Androctonus crassicauda; (Olivier, 1807)

Androctonus crassicauda, the Arabian fat-tailed scorpion, is a species of dangerous scorpion usually found in North Africa and the Middle East.

Description[]

Androctonus crassicauda is a generalist desert species,^[1] an Old World scorpion.^[2] Adults can vary in colour from a light brown to reddish to blackish-brown, to black. They can grow to over 10 centimetres (3.9 in) in length.^[1]^[3]

Distribution and habitat[]

This species is found mainly in the Palaearctic region, in such countries as Turkey,^[4] Iran, and other southwestern Asian nations.^[5]^[1] A. crassicauda lives in the ruins of old, neglected structures,^[1] and was considered a potential hazard for troops during the Persian Gulf conflict, though it was an unaggressive species that had no reports of stings.^[3] It also occurs in margins of desert (arid, semi-arid) places and sometimes accumulated vegetation debris.^[6]

Behavior[]

A nocturnal scorpion, it hides in crevices and under objects during the day, and at night hunts insects and other invertebrates, or small lizards.^[6]

Venom[]

The venom is mainly composed of neurotoxins, cardiotoxins and possibly myotoxins, effects of the sting reported local effects (intense pain, redness and swelling) systemic effects include heart malfunctions, remote internal bleeding, visual disturbance and respiratory problems, deaths mostly occur with respiratory arrest, heart failure and shock.^[6] The LD50 for this species is 0.08 mg/kg (IV) and 0.40 mg/kg (SC).^[7]

Antivenom[]

Antivenom produced by this species has been used in Turkey to treat all scorpion stings since 1942.^[2]

References[]

^ Jump up to: ^a ^b ^c ^d "Euscorpius" (PDF). Retrieved 2011-12-05.
^ Jump up to: ^a ^b "Dear Editor" (PDF). Archived from the original (PDF) on 2010-06-10. Retrieved 2011-12-05.
^ Jump up to: ^a ^b "Archived copy" (PDF). Archived from the original (PDF) on 2011-10-02. Retrieved 2011-12-05.CS1 maint: archived copy as title (link)
^ "Euscorpius" (PDF). Retrieved 2011-12-05.
^ "WRBU Scorpion Identification". Wrbu.si.edu. Archived from the original on 2012-02-04. Retrieved 2011-12-05.
^ Jump up to: ^a ^b ^c https://www.acq.osd.mil/eie/afpmb/docs/lhd/venomous_animals_byspecies.pdf
^ Wilcox, Christie (2016-08-09). Venomous: How Earth's Deadliest Creatures Mastered Biochemistry. Farrar, Straus and Giroux. ISBN 978-0-374-71221-1.

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[marshall1-1] Jump up to: ^a ^b ^c ^d "Euscorpius" (PDF). Retrieved 2011-12-05.

[ucdavis1-2] Jump up to: ^a ^b "Dear Editor" (PDF). Archived from the original (PDF) on 2010-06-10. Retrieved 2011-12-05.

[montana1-3] Jump up to: ^a ^b "Archived copy" (PDF). Archived from the original (PDF) on 2011-10-02. Retrieved 2011-12-05.CS1 maint: archived copy as title (link)

[4] "Euscorpius" (PDF). Retrieved 2011-12-05.

[5] "WRBU Scorpion Identification". Wrbu.si.edu. Archived from the original on 2012-02-04. Retrieved 2011-12-05.

[VAS-6] Jump up to: ^a ^b ^c https://www.acq.osd.mil/eie/afpmb/docs/lhd/venomous_animals_byspecies.pdf

[7] Wilcox, Christie (2016-08-09). Venomous: How Earth's Deadliest Creatures Mastered Biochemistry. Farrar, Straus and Giroux. ISBN 978-0-374-71221-1.

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