Response to autotomy in anesthetized freshwater crab, Paratelphusa hydrodromous (Herbst)

  • E. Pushpalatha Department of Zoology, University of Calicut, Malappuram Distt., Kerala-673 635.
  • P. R. Ramesh Department of Zoology, University of Calicut, Malappuram Distt., Kerala-673 635.
  • S. Sudhakar Department of Zoology, University of Calicut, Malappuram Distt., Kerala-673 635.
Keywords: Paratelphusa hydrodromous, Amputation, Autotomy

Abstract

To extend the knowledge of amputation and induction of autotomy, the freshwater crab Paratelphusa hydrodromous (Herbst) was chosen as a model system. Amputation of different legs of Paratelphusa hydrodromous (Herbst) was done in two conditions; normal and anesthetized crab. Autotomy of the amputated legs under normal condition was induced autotomy within seconds (1.6 to 37 seconds). However, the amputation conducted in ice cold anesthetized crab showed delayed autotomy in a wide range of time from 10.2 ± 0.83 minutes (cheliped) to 114.8 ± 4.3 minutes (2nd walking leg). The observations suggest that ice cold anesthesia lowers the signaling of pain to the brain and delays autotomy, the voluntary mechanism to escape from the predator/pain or frightened force.

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References

[1]. Congdon, J.D., Vitt, L.J. and King, W.W. (1974). Geckos: adaptive significance and energetics of tail autotomy. Science, 184: 1379–1380.
[2]. Kelehear, C. and Webb. J.K., (2006). Effects of tail autotomy on anti-predator behavior and locomotor performance in a nocturnal gecko. Copeia, 2006: 803–809.
[3]. Davis, G.E., Baughman, D.S., Chapman, J.D., MacArthur, D. and Pierce, A.C. (1978). Mortality associated with declawing stone crabs, Menippe mercenaria. US National Park Service. Report T-522.
[4]. Bliss, D.E. (1960). Autotomy and Regeneration. In: The Physiology of Crustacea. Vol. 1 (Ed. T.H. Waterman) Academic Press, New York, pp 561-589.
[5]. Skinner, D.M., Kumari, S.S. and J.J. O’Brien (1992). Proteins of the crustacean exoskeleton. Amer. Zool., 32:470–484.
[6]. Mykles, D.L. (1992). Getting out of a tight squeeze—enzymatic regulation of claw Muscle atrophy in molting. Amer. Zool., 32:485–494.
[7]. Hopkins, P.M. (1993). Regeneration of Walking Legs in the Fiddler Crab Uca pugilator. Amer. Zool., 33: 348–356.
[8]. Wheatly, M.G. (1996). An overview of calcium balance in crustaceans. Physiol. Zool., 69:351–382.
[9]. Raja, P.V., Ravindranath, M.H. and K. Ramalingam (1976). Studies on autotomy in Crustaceans. II. Changes in hemolymph sugars of shore crab Ocypode platytarsis in response to autotomy and bleeding stress. Physiol. Zoology, Vol. 49(4): 389-397.
Published
2014-04-01
How to Cite
Pushpalatha, E., Ramesh, P., & Sudhakar, S. (2014). Response to autotomy in anesthetized freshwater crab, Paratelphusa hydrodromous (Herbst). Journal of Advanced Laboratory Research in Biology, 5(2), 27-28. Retrieved from https://e-journal.sospublication.co.in/index.php/jalrb/article/view/182
Section
Articles
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