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      Contribution to the biology of the spider crabs Maiopsis panamensis Faxon, 1893 and Stenocionops ovata (Bell, 1835) (Decapoda: Majoidea) from the Gulf of California, Mexico Translated title: Contribución a la biología de los cangrejos araña Maiopsis panamensis y Stenocionops ovata (Decapoda: Majoidea) del Golfo de California, México

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          Abstract

          Morphological data from incidental captures in the Gulf of California of the spider crabs Maiopsis panamensis and Stenocionops ovata are presented. Sex ratios, carapace width and length distributions by sex, weight distribution by sex, and ovigerous female frequency are reported. New maximum values for the size of the branchial width of the carapace in males of both species have been observed. 70 mm wider than previously recorded in M. panamensis and a 9.5 mm wider in S. ovata. Moreover, the presence of M. panamensis along the West Coast of the Gulf of California has been registered, out of its limit of the reported distribution.

          Translated abstract

          Se presentan datos morfológicos de los cangrejos araña Maiopsis panamensis y Stenocionops ovata obtenidos a partir de capturas incidentales realizadas en el Golfo de California. Se informan proporciones de sexo, distribuciones de talla por sexo, valores de anchura y longitud del caparazón, distribuciones de peso por sexo, y frecuencia de hembras ovígeras. Se observaron valores de la talla del ancho branquial superiores a aquéllos citados anteriormente para organismos machos de ambas especies: M. panamensis, 70 mm más ancho y S. ovata, 9.5 mm más ancho. Por otra parte, se registra la presencia de M. panamensis a lo largo de la costa occidental del Golfo de California (25°48'54"N 111°15'45"W), fuera de su límite de distribución conocido.

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          Most cited references6

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          Brachyura of the Pacific coast of America. Oxyrhyncha. Allan Hancock Pacific Expeditions

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            Guía FAO para la identificación de especies para los fines de la pesca, Pacífico Centro-Oriental, plantas e invertebrados

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              Guía FAO para la identificación de especies para los fines de la pesca, Pacífico centro-oriental: Plantas e invertebrados

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                Author and article information

                Journal
                revbiolmar
                Revista de biología marina y oceanografía
                Rev. biol. mar. oceanogr.
                Universidad de Valparaíso. Facultad de Ciencias del Mar (Valparaíso, , Chile )
                0718-1957
                December 2001
                : 36
                : 2
                : 199-203
                Affiliations
                [01] La Paz Baja California Sur orgnameInstituto Politécnico Nacional orgdiv1Centro Interdisciplinario de Ciencias Marinas orgdiv2Departamento de Pesquerías y Biología Marina México mvillale@ 123456ipn.mx
                Article
                S0718-19572001000200008 S0718-1957(01)03600208
                10.4067/S0718-19572001000200008
                6206de5b-f4f4-4916-bfe9-94b2fa34a8e9

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

                History
                : October 2001
                : November 2001
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 4, Pages: 5
                Product

                SciELO Chile


                Majoidea,México,Golfo de California,Spider crab,Gulf of California,Cangrejo araña,Mexico

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