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      Courtship behavior and spawning of the hairy blenny Labrisomus nuchipinnis (Labrisomidae) in southeastern Brazil

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          Abstract

          Labrisomus nuchipinnis is a diurnal bottom-dwelling sit-and-wait carnivorous fish that inhabits holes and rifts of rocky areas in tropical shallow waters. Here we report on the courtship behavior and spawning of this hairy blenny in southeastern Brazil, with a detailed description and comparison with other Blennioidei. Labrisomus nuchipinnis is a territorial species that was observed courting with more than one female, and presenting a well defined pattern cycle related to reproductive behavior and paternal egg care. Adhesive demersal eggs are laid on small algae-covered rocks at sites with increased current velocity within the male's territory, which may enable higher egg survivorship and shorter developmental time.

          Translated abstract

          Labrisomus nuchipinnis é um peixe bentônico e carnívoro de hábitos diurnos, que espreita suas presas e que habita tocas e frestas de ambientes rochosos em águas rasas tropicais. Registramos o comportamento de corte e desova deste amborê no sudeste do Brasil, descrevendo-o em detalhe e comparando-o com os de outros Blennioidei. Labrisomus nuchipinnis é uma espécie territorial que foi observada em corte com mais de uma fêmea, apresentando uma seqüência cíclica padrão relacionada ao comportamento reprodutivo, e cuidado paternal para com os ovos. Os ovos demersais adesivos são depositados em pequenas rochas cobertas por algas, em locais de elevada hidrodinâmica, localizados dentro do território do macho, o que deve proporcionar uma maior taxa de sobrevivência dos filhotes e menor tempo de desenvolvimento dos embriões.

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          Most cited references 26

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          Fishes of the World

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            Fishes of the World

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              Handbook of ethological methods

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ni
                Neotropical Ichthyology
                Neotrop. ichthyol.
                Sociedade Brasileira de Ictiologia (Maringá )
                1982-0224
                September 2004
                : 2
                : 3
                : 163-166
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                [2 ] Universidade de São Paulo Brazil
                [3 ] UNIDERP Brazil
                Article
                S1679-62252004000300009
                10.1590/S1679-62252004000300009
                Product
                Product Information: website
                Categories
                ZOOLOGY

                Animal science & Zoology

                mating behavior, oviposition, parental care, blennies, South Atlantic

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