A comparison of fluorescence in two sympatric scorpion species

J Photochem Photobiol B. 2008 May 29;91(2-3):132-6. doi: 10.1016/j.jphotobiol.2008.02.008. Epub 2008 Mar 4.


In order to test the feasibility of scorpion fluorescence as an indicator of gender and/or species identity, a comparison of the fluorescence spectra between genders across two sympatric species of scorpions (Vaejovis confusus Stahnke 1940 and Paruroctonus shulovi Williams 1970) was conducted. Each spectrum was represented in a simple multivariate analysis by its peak wavelength and width at 90% of peak intensity. No difference between genders was found, but a statistically significant difference between species was detected. The potential of fluorescence as a basis for species recognition based on this difference is discussed in the context of what is known about scorpion vision and discriminatory abilities.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Female
  • Fluorescence*
  • Male
  • Multivariate Analysis
  • Regression Analysis
  • Scorpions / classification
  • Scorpions / physiology*
  • Sex Differentiation
  • Species Specificity