eCite Digital Repository
Endocrine and metabolic responses to stress in a laboratory population of the tropical damselfish Acanthochromis polyacanthus
Citation
Begg, K and Pankhurst, NW, Endocrine and metabolic responses to stress in a laboratory population of the tropical damselfish Acanthochromis polyacanthus, Journal of Fish Biology, 64, (1) pp. 133-145. ISSN 0022-1112 (2004) [Refereed Article]
DOI: doi:10.1046/j.1095-8649.2004.00290.x
Abstract
The effects of confinement and exercise on the stress response of the spiny damselfish Acanthochromis polyacanthus were investigated in a laboratory stock of fish. Cultured spiny damselfish had basal plasma cortisol values (<16ng ml-1) similar to those found in wild fish, and basal plasma glucose and lactate levels that were similar to those found in other teleosts. Plasma cortisol concentrations increased in response to stress with a latency period of 5-10 min. Removal of the stressor resulted in partial recovery of cortisol levels by 24 h. Plasma glucose levels increased in response to stress in all experiments with significant increases occurring within 15 min of the imposition of stress. Elevations in plasma glucose concentrations were not initially reflected in changes in liver or muscle glycogen content, with significant reductions in liver glycogen concentrations only occurring in response to extended periods of stress. In contrast to many temperate species, plasma lactate concentrations did not consistently increase in response to stress, suggesting that the stress response in spiny damselfish is not strongly characterized by anaerobiosis. © 2004 The Fisheries Society of the British Isles.
Item Details
Item Type: | Refereed Article |
---|---|
Research Division: | Agricultural, Veterinary and Food Sciences |
Research Group: | Fisheries sciences |
Research Field: | Aquaculture |
Objective Division: | Animal Production and Animal Primary Products |
Objective Group: | Fisheries - aquaculture |
Objective Field: | Fisheries - aquaculture not elsewhere classified |
UTAS Author: | Begg, K (Ms Kelly Begg) |
UTAS Author: | Pankhurst, NW (Professor Ned Pankhurst) |
ID Code: | 29362 |
Year Published: | 2004 |
Web of Science® Times Cited: | 67 |
Deposited By: | TAFI - Aquaculture |
Deposited On: | 2004-08-01 |
Last Modified: | 2005-05-02 |
Downloads: | 0 |
Repository Staff Only: item control page