Synopsis
The final thermal preferendum of Tecopa pupfish Cyprinodon nevadensis amargosae collected from a thermal spring was determined in the laboratory in spatial and temporal thermal gradients. Temperatures chosen centred around 30°C — a value close to those reported for other warmwater species in the literature. Upper limits to final preferenda and thermal tolerance in all species of fish are proposed.
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McCauley, R.W., Thomson, D.A. Thermoregulatory activity in the Tecopa pupfish, Cyprindon nevadensis amargosae, an inhabitant of a thermal spring. Environ Biol Fish 23, 135–139 (1988). https://doi.org/10.1007/BF00000744
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DOI: https://doi.org/10.1007/BF00000744