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Acanthurus

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Jessy Castellanosgell – One of the best experts on this subject based on the ideXlab platform.

  • the surgeonfish Acanthurus bahianus has crossed the amazon orinoco outflow barrier
    Marine Biology, 2012
    Co-Authors: Didier Casane, Jessy Castellanosgell, Aymee Robainasbarcia, Pedro Chevaliermonteagudo, Fabian Pinaamargos, Erik Garciamachado
    Abstract:

    Dispersal varies among species according to different biological and environmental factors. It is known that there is strong genetic division between the Ocean Surgeonfish (Acanthurus tractus) and the Barber Surgeonfish (Acanthurus bahianus) in the Caribbean and southern Atlantic biogeographic provinces with relation to the Amazon–Orinoco outflows. We analyzed cytb gene sequence diversity from 149 individuals collected at five localities around Cuba between October 2006 and February 2010. As expected, most individuals had haplotypes identical or closely related to those previously reported for the Caribbean. However, south Atlantic lineage haplotypes were also found in all surveyed localities with frequencies around 5 %. This finding suggests that A. bahianus has dispersed in recent times across the Amazon–Orinoco barrier, probably because environmental perturbations have aided dispersal.

Erik García-machado – One of the best experts on this subject based on the ideXlab platform.

  • The surgeonfish, Acanthurus bahianus, has crossed the Amazon–Orinoco outflow barrier
    Marine Biology, 2012
    Co-Authors: Jessy Castellanos-gell, Aymée Robainas-barcia, Didier Casane, Pedro Chevalier-monteagudo, Fabián Pina-amargós, Erik García-machado
    Abstract:

    Dispersal varies among species according to different biological and environmental factors. It is known that there is strong genetic division between the Ocean Surgeonfish (Acanthurus tractus) and the Barber Surgeonfish (Acanthurus bahianus) in the Caribbean and southern Atlantic biogeographic provinces with relation to the Amazon–Orinoco outflows. We analyzed cytb gene sequence diversity from 149 individuals collected at five localities around Cuba between October 2006 and February 2010. As expected, most individuals had haplotypes identical or closely related to those previously reported for the Caribbean. However, south Atlantic lineage haplotypes were also found in all surveyed localities with frequencies around 5 %. This finding suggests that A. bahianus has dispersed in recent times across the Amazon–Orinoco barrier, probably because environmental perturbations have aided dispersal.

Erik Garciamachado – One of the best experts on this subject based on the ideXlab platform.

  • the surgeonfish Acanthurus bahianus has crossed the amazon orinoco outflow barrier
    Marine Biology, 2012
    Co-Authors: Didier Casane, Jessy Castellanosgell, Aymee Robainasbarcia, Pedro Chevaliermonteagudo, Fabian Pinaamargos, Erik Garciamachado
    Abstract:

    Dispersal varies among species according to different biological and environmental factors. It is known that there is strong genetic division between the Ocean Surgeonfish (Acanthurus tractus) and the Barber Surgeonfish (Acanthurus bahianus) in the Caribbean and southern Atlantic biogeographic provinces with relation to the Amazon–Orinoco outflows. We analyzed cytb gene sequence diversity from 149 individuals collected at five localities around Cuba between October 2006 and February 2010. As expected, most individuals had haplotypes identical or closely related to those previously reported for the Caribbean. However, south Atlantic lineage haplotypes were also found in all surveyed localities with frequencies around 5 %. This finding suggests that A. bahianus has dispersed in recent times across the Amazon–Orinoco barrier, probably because environmental perturbations have aided dispersal.

Didier Casane – One of the best experts on this subject based on the ideXlab platform.

  • The surgeonfish, Acanthurus bahianus, has crossed the Amazon–Orinoco outflow barrier
    Marine Biology, 2012
    Co-Authors: Jessy Castellanos-gell, Aymée Robainas-barcia, Didier Casane, Pedro Chevalier-monteagudo, Fabián Pina-amargós, Erik García-machado
    Abstract:

    Dispersal varies among species according to different biological and environmental factors. It is known that there is strong genetic division between the Ocean Surgeonfish (Acanthurus tractus) and the Barber Surgeonfish (Acanthurus bahianus) in the Caribbean and southern Atlantic biogeographic provinces with relation to the Amazon–Orinoco outflows. We analyzed cytb gene sequence diversity from 149 individuals collected at five localities around Cuba between October 2006 and February 2010. As expected, most individuals had haplotypes identical or closely related to those previously reported for the Caribbean. However, south Atlantic lineage haplotypes were also found in all surveyed localities with frequencies around 5 %. This finding suggests that A. bahianus has dispersed in recent times across the Amazon–Orinoco barrier, probably because environmental perturbations have aided dispersal.

  • the surgeonfish Acanthurus bahianus has crossed the amazon orinoco outflow barrier
    Marine Biology, 2012
    Co-Authors: Didier Casane, Jessy Castellanosgell, Aymee Robainasbarcia, Pedro Chevaliermonteagudo, Fabian Pinaamargos, Erik Garciamachado
    Abstract:

    Dispersal varies among species according to different biological and environmental factors. It is known that there is strong genetic division between the Ocean Surgeonfish (Acanthurus tractus) and the Barber Surgeonfish (Acanthurus bahianus) in the Caribbean and southern Atlantic biogeographic provinces with relation to the Amazon–Orinoco outflows. We analyzed cytb gene sequence diversity from 149 individuals collected at five localities around Cuba between October 2006 and February 2010. As expected, most individuals had haplotypes identical or closely related to those previously reported for the Caribbean. However, south Atlantic lineage haplotypes were also found in all surveyed localities with frequencies around 5 %. This finding suggests that A. bahianus has dispersed in recent times across the Amazon–Orinoco barrier, probably because environmental perturbations have aided dispersal.

Aymee Robainasbarcia – One of the best experts on this subject based on the ideXlab platform.

  • the surgeonfish Acanthurus bahianus has crossed the amazon orinoco outflow barrier
    Marine Biology, 2012
    Co-Authors: Didier Casane, Jessy Castellanosgell, Aymee Robainasbarcia, Pedro Chevaliermonteagudo, Fabian Pinaamargos, Erik Garciamachado
    Abstract:

    Dispersal varies among species according to different biological and environmental factors. It is known that there is strong genetic division between the Ocean Surgeonfish (Acanthurus tractus) and the Barber Surgeonfish (Acanthurus bahianus) in the Caribbean and southern Atlantic biogeographic provinces with relation to the Amazon–Orinoco outflows. We analyzed cytb gene sequence diversity from 149 individuals collected at five localities around Cuba between October 2006 and February 2010. As expected, most individuals had haplotypes identical or closely related to those previously reported for the Caribbean. However, south Atlantic lineage haplotypes were also found in all surveyed localities with frequencies around 5 %. This finding suggests that A. bahianus has dispersed in recent times across the Amazon–Orinoco barrier, probably because environmental perturbations have aided dispersal.