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      First Report of Albinism in the Threatened Gillbacker Sea Catfish Sciades parkeri (Siluriformes, Ariidae)

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          Abstract

          ABSTRACT A sexually mature albino specimen of the Gillbacker Sea Catfish species Sciades parkeri (Siluriformes, Ariidae), a vulnerable species, was captured in northern Amazon estuary, State of Pará, Brazil. Herein we present the first record of albinism phenomenon for this species, including the morphometric description of the albino, and a non-abnormal coloring specimen.

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          Chave para identificacao das espécies de bagres marinos (Siluriformes, Ariidae) da costa brasilera

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            First record of partial albinism in two catfish species of Genidens (Siluriformes: Ariidae) in an estuary of Southern Brazil

            This study reports the first occurrence of partial albinism in two species of Ariidae: Genidens barbus and Genidens planifrons from an estuary of Southern Brazil. Possible causes of the simultaneous occurrence of three specimens with partial albinism are discussed, including random genetic alterations, chronic contamination effects and small effective population size, which may favor the expression of the recessive albino gene.
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              Taxonomic Status and Redescription of the Gillbacker Sea Catfish (Siluriformes: Ariidae: Sciades parkeri)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                babt
                Brazilian Archives of Biology and Technology
                Braz. arch. biol. technol.
                Instituto de Tecnologia do Paraná - Tecpar (Curitiba, PR, Brazil )
                1516-8913
                1678-4324
                August 2017
                : 60
                : 0
                : e17160326
                Affiliations
                [1] Belém Pará orgnameUniversidade Federal do Pará orgdiv1Laboratório de Ictiologia do Grupo de Ecologia Aquática Brazil
                [2] Belém Pará orgnameUniversidade Federal do Pará Brazil
                Article
                S1516-89132017000100416
                10.1590/1678-4324-2017160326
                ab3fa355-8b5b-495c-aab5-9043122cfbc3

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 01 May 2016
                : 14 July 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 18, Pages: 0
                Product

                SciELO Brazil

                Categories
                Biological and Applied Sciences

                Amazon,delta,estuary,Marajó,vulnerable
                Amazon, delta, estuary, Marajó, vulnerable

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