Scorpion Sheds ‘Tail’ to Escape: Consequences and Implications of Autotomy in Scorpions (Buthidae: Ananteris)
@article{Mattoni2015ScorpionS, title={Scorpion Sheds ‘Tail’ to Escape: Consequences and Implications of Autotomy in Scorpions (Buthidae: Ananteris)}, author={Camilo I. Mattoni and Solimary Garc{\'i}a-Hern{\'a}ndez and Ricardo Botero-Trujillo and Jos{\'e} A. Ochoa and Andr{\'e}s A. Ojanguren-Affilastro and Ricardo Pinto‐da‐Rocha and Lorenzo Prendini}, journal={PLoS ONE}, year={2015}, volume={10} }
Autotomy, the voluntary shedding or detachment of a body part at a determined cleavage plane, is a common anti-predation defense mechanism in several animal taxa, including arthropods. [] Key Result The severed surface heals rapidly, scar tissue forming in five days. The lost metasomal segments and telson cannot be regenerated. Autotomy of the metasoma and telson results in permanent loss of the posterior part of the scorpion's digestive system (the anus is situated posteriorly on metasomal segment V) and…
19 Citations
The ecology and evolution of autotomy
- BiologyBiological reviews of the Cambridge Philosophical Society
- 2019
It is found that the ability to drop an appendage has evolved multiple times throughout Animalia and that once autotomy has evolved, selection appears to act on the removable appendage to increase the efficacy and/or efficiency of autotomy.
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- 2016
It is confirmed that losing legs affects locomotion, and novel insights on how locomotion in these harvestmen depends on surface roughness are provided, which suggest that moss could be a type of substrate that requires more elaborate skills in balance, orientation and texture recognition than smooth bark.
‘Tail’ autotomy and consequent stinger loss decrease predation success in scorpions
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Post-autotomy cheliped movement may further improve the anti-predator defence efficacy of large chelipeds with a hair-trigger autotomy response in porcellanid crabs.
Armed stem to stinger: a review of the ecological roles of scorpion weapons
- BiologyThe journal of venomous animals and toxins including tropical diseases
- 2021
The literature on the functioning and ecological role of both the chelae and the telson is discussed in detail and the differences in morphology or usage between species or higher taxonomic groups, or between genders, are given.
The force needed for leg autotomy in the crab Hemigrapsus nudus
- Biology
- 2018
The results showed that hind legs require the most amount of force to autotomize compared to claws or middle walking legs, and rejected the null hypothesis that all legs require an equal amount ofForce and the alternate hypothesis that larger legs would require more force than smaller legs.
Risk Assessment and the Effects of Refuge Availability on the Defensive Behaviors of the Southern Unstriped Scorpion (Vaejovis carolinianus)
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- 2020
Evidence that scorpions’ defensive behaviors changed based on the number of refuges and that these differences may be sex specific is found, suggesting that V. carolinianus can assess risk and features of the local environment and alter their defensive strategies accordingly.
Life-history traits of the Brazilian litter-dwelling scorpion: post-embryonic development and reproductive behaviour in Ananteris mauryi Lourenço, 1982 (Scorpiones: Buthidae)
- BiologyJournal of Natural History
- 2021
The post-embryonic development and reproductive strategies (courtship, mating, gestation period and litter size) of the litter-dwelling scorpion Ananteris mauryi are described to highlight this species’ high resilience to changes in environmental conditions.
Sex-based defensive behavior influenced by threat level in the scorpion Tityus pusillus (Scorpiones: Buthidae)
- BiologyThe Journal of Arachnology
- 2021
It is found that scorpions, independently of sex, stung more often under high threat compared to low threat treatments, however, no significant differences in the defensive behavior of males and females were observed according to threat intensity.
Prey-predator interactions between two intraguild predators modulate their behavioral decisions
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The influence of intraguild predators in the behavioral decisions during daily activities of each other is highlighted, indicating adaptive behaviors in both prey and predator.
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