Articles | Volume 17, issue 1
https://doi.org/10.5194/we-17-1-2017
https://doi.org/10.5194/we-17-1-2017
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24 Jan 2017
Standard article | Highlight paper |  | 24 Jan 2017

Salt tolerance's toll: prolonged exposure to saline water inflicts damage to the blood cells of dice snakes (Natrix tessellata)

Vanya Koleva, Yurii Kornilev, Ivan Telenchev, Simeon Lukanov, Berna Hristova, and Nikolay Natchev

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Cited articles

Ahmadzadeh, F., Mebert, K., Ataei, S., Rezazadeh, E., Gholi, L. A., and Böhme, W.: Ecological and biological comparison of three populations of the Dice snake (Natrix tessellata) from the southern Caspian Sea Coast, Iran, Mertensiella, 18, 388–397, 2011.
Ali, F. K., El-Shehawi, A. M., and Seehy, M. A.: Micronucleus test in fish genome: a sensitive monitor for aquatic pollution, Afr. J. Biotechnol., 7, 606–612, https://doi.org/10.5897/AJB2008.000-5020, 2008.
Anbumani, S. and Mohankumar, M. N.: Nuclear and cytoplasmic abnormalities in the fish Catla catla (Hamilton) exposed to chemicals and ionizing radiation, Res. J. Environ. Sci., 5, 867–877, https://doi.org/10.3923/rjes.2011.867.877, 2011.
Asker, N., Almroth, B. C., Albertsson, E., Coltellaro, M. J., Bignell, P., Hanson, N., Scarcelli, V., Fagerholm, B., Parkkonen, J., Wijkmark, E., Frenzilli, G., Förlin, L., and Sturve, J.: A gene to organism approach – assessing the impact of environmental pollution in eelpout (Zoarces viviparus) females and larvae, Environ. Toxicol. Chem., 34, 1511–1523, https://doi.org/10.1002/etc.2921, 2015.
Ateeq, B., Farah, M. A., Ali, M. N., and Ahmad, W.: Induction of micronuclei and erythrocyte alterations in the catfish Clarias batrachus by 2,4-dichlorophenoxyacetic acid and butachlor, Mutat. Res., 518, 135–144, 2002.
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Short summary
Dice snakes live in freshwater but are able to spend prolonged periods in sea water for food foraging. However, it is unclear whether foraging in salty sea water has a physiological cost. Our experimental data suggest that even though dice snakes show a remarkable tolerance to waters with increased salinity, prolonged exposure induces significant physiological stress (increased metabolism, membrane rupture), which should limit their ability to stay in them for long periods of time.