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Evidence for cryptic speciation in Australian freshwater eel-tailed catfish, Tandanus tandanus (Teleostei: Plotosidae)

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Musyl, M. K. and Keenan, C. P. (1996) Evidence for cryptic speciation in Australian freshwater eel-tailed catfish, Tandanus tandanus (Teleostei: Plotosidae). Copeia, 1996 (3). pp. 526-534. ISSN 1938-5110

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Article Link: https://doi.org/10.2307/1447516

Abstract

Allopatric populations of Australian freshwater eel-tailed catfish, Tandanus tandanus, were compared morphologically and electrophoretically. Five populations from east of the Great Dividing Range and six from within the Murray-Darling basin, west of the Great Dividing Range, were sampled. An absence of morphological differentiation among all populations was in contrast to electrophoretic evidence in which fixed allelic differences revealed three discrete gene pools: (1) an undescribed species from the Bellinger River; (2) a second undescribed species from the Nymboida River; and (3) the remaining populations that were genetically similar to one another. Mean heterozygosity in all populations ranged from 0.000-0.011.

Item Type:Article
Subjects:Science > Biology > Genetics
Aquaculture and Fisheries > Fisheries > Fishery for individual species
Live Archive:10 Apr 2024 00:18
Last Modified:10 Apr 2024 00:18

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