The physiological stress response of the Atlantic stingray (Hypanus sabinus) to aerial exposure

Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Faith N LambertAndrew N Evans

Abstract

Although secondary stress physiology of elasmobranchs is fairly well studied, gaps remain in our understanding of species differences, including stress recovery. We examined the physiological stress response to air exposure in Atlantic stingrays (Hypanus sabinus) using a serial sampling method requiring minimal handling. Many elasmobranch stress studies exclusively quantify glucose, although there is evidence that elasmobranchs are unusually reliant on ketone bodies. Therefore, we also tested the hypothesis that ketone bodies play a significant role in the elasmobranch stress response by examining plasma β-hydroxybutyrate. Plasma osmolality, urea, trimethylamine-N-oxide, and a suite of ions were also measured to characterize departures from homeostasis due to air exposure. H. sabinus were exposed to air for 30 min and serially sampled at 0, 15, and 30 min, as well as 48 h after the stressor to assess the extent of recovery. Blood lactate and acidosis increased significantly during the stressor and returned to basal levels by 48 h. Glucose values were significantly affected, with the highest values observed at 48 h, suggesting that animals were not fully recovered as initially indicated by other metrics. Average plasma β-hydroxy...Continue Reading

Citations

May 25, 2020·Journal of Fish Biology·Bianca de Sousa RangelCristiéle da Silva Ribeiro
Jan 21, 2021·Biology·Ismael Jerez-Cepa, Ignacio Ruiz-Jarabo
Apr 1, 2021·Brazilian Journal of Biology = Revista Brasleira De Biologia·J G Pérez-RojasS C Pardo-Carrasco
Apr 17, 2021·Frontiers in Veterinary Science·Henrike SeibelAlexander Rebl

❮ Previous
Next ❯

Related Concepts

Related Feeds

Anxiety Disorders

Discover the latest research on anxiety disorders including agoraphobia, panic disorder, obsessive-compulsive disorder, and post-traumatic stress disorder here.