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Differential population history in the migratory catfishes Brachyplatystoma flavicans and Pseudoplatystoma fasciatum (Pimelodidae) from the Bolivian Amazon assessed with nuclear and mitochondrial DNA markers
Coronel, J.S.; Maes, G.E.; Claus, S.; Van Damme, P.A.; Volckaert, F.A.M.J. (2004). Differential population history in the migratory catfishes Brachyplatystoma flavicans and Pseudoplatystoma fasciatum (Pimelodidae) from the Bolivian Amazon assessed with nuclear and mitochondrial DNA markers. J. Fish Biol. 65: 859-869
In: Journal of Fish Biology. Fisheries Society of the British Isles: London,New York,. ISSN 0022-1112, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 61830 [ OMA ]

Keywords
    Fish; Fresh water; Genetic diversity; Fresh water

Authors  Top 
  • Coronel, J.S.
  • Maes, G.E., more
  • Claus, S., more
  • Van Damme, P.A., more
  • Volckaert, F.A.M.J., more

Abstract
    The catfishes Brachyplatystoma flavicans (n=49) and Pseudoplatystoma fasciatum (n=69)showed comparable low allozyme diversities (He=0.012 and 0.009-0.028, respectively), butcontrasting PCR-RFLP restriction site mitochondrial DNA diversities (three haplotypes:p=0.034-0.092 and five haplotypes: p=0.001-0.023, respectively) in the Rio Ichilo andBeni (Bolivia). Genetic homogeneity between samples was high for B. flavicans and lower forP. fasciatum. Based on mitochondrial diversity, both species probably experienced a historicpopulation reduction but at different time scales.

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