Comparisons of Critical Thermal Maxima and Minima of Juvenile Red Drum (Sciaenops ocellatus) from Texas and North Carolina
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The Texas Parks and Wildlife Department was Interested In Identifying cold-tolerant red drum (Sciaenops ocellatus) for a supplemental bay stocking program to help prevent massive fish kills when winter temperatures drop to potentially dangerous levels. Critical thermal maxima (CTMax) and minima (CTMin) of Juvenile red drum from Texas and North Carolina were determined to test for possible geographically based differences In thermal tolerance limits. Juvenile red drum from the two regions acclimated to either 12°C or 20°C exhibited similar thermal tolerance limits while Texas red drum acclimated to 12°C exhibited a statistically higher CTMax, however the observed difference Is not Interpreted as biologically significant. The adjusted mean CTMin for the combined Texas and North Carolina red drum acclimated to 12°C was 1.6°C and adjusted mean CTMax for combined Texas and North Carolina red drum acclimated to 12°C was 29.5°C, and the adjusted mean CTMax for Individuals acclimated to 20°C was 34.8°C. These results suggest red drum from northern and southern parts of the species range have similar temperature tolerances.
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Generally, as acclimation temperature increases, low temperature tolerance limits also increase.
“Generally, as acclimation temperature increases low temperature tolerance limits also increase (Ward et al. 1993, Currie et al. 1998, Beitinger & Bennett 2000).”
From Thermal tolerance and potential distribution of invasive lionfish (Pterois volitans/miles complex) on the east coast of the United States (2004) · cites this paper as Ward et al. 1993
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- Arnold, C. R., W. H. Bailey, T. D. Williams, A. Johnson, and J. L. Lasswell. 1977. Laboratory spawning and larval rearing of red drum and southern flounder. Proc. Annu. Conf. Southeast. Assoc. Fish and Wild I. Agencies, 31:437-440.
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Kimball, M., Miller, J., Whitfield, P., & Hare, J. (2004) · Marine Ecology Progress Series · doi:10.3354/meps283269 · Cited by 176 · see citing works
- Authors
- Ward, R., Blandon, I. R., King, T. L., & Beitinger, T. L.
- Affiliations
- University of North Texas (US)
- Venue
- Northeast Gulf Science
- Publisher
- University of Southern Mississippi
- Published
- 1993-12-01
- Volume
- 13
- Issue
- 1
- ISSN
- 0148-9836 (ISSN-L)
- OpenAlex
- W2807068698
- Cited by
- 12
- References
- 0
- Citations by year
- 2026: 3 · 2025: 1 · 2022: 1 · 2021: 1 · 2020: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Northeast Gulf Science (publishedVersion)
- Aquila Digital Community (University of Southern Mississippi) (submittedVersion)
- Topics
- Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
- Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
- Keywords
- red drum, critical thermal maximum, critical thermal minima, heat tolerance, juvenile fish, cold tolerance, acclimation temperature, regional variation, fish kills, Texas, North Carolina
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