Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental

Morphogeometric variation in the caparace of “king crab” Damithrax spinosissimus” (Decapoda: Majidae) over three islands in the southwestern Caribbean. The Caribbean king crab Damithrax spinosissimus is a potential fishery resource biologically little known and considered as a vulnerable species in...

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Autor principal: Martínez-Campos, Bibian
Formato: Online
Idioma:spa
Publicado: Universidad de Costa Rica 2016
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/19108
id RBT19108
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spelling RBT191082022-06-09T17:53:53Z Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental Martínez-Campos, Bibian geometric morphometrics phenotypic plasticity vulnerable species Southwest Caribbean Crustacean Morphogeometric variation in the caparace of “king crab” Damithrax spinosissimus” (Decapoda: Majidae) over three islands in the southwestern Caribbean. The Caribbean king crab Damithrax spinosissimus is a potential fishery resource biologically little known and considered as a vulnerable species in some regions. The mosaic distribution and the great environmental heterogeneity due the oceanographic, landscape and ecological features in the Caribbean may stimulate the phenotypic variability of D. spinosissimus among sites. To evaluate differences in crab carapace size and shape among islands and between sexes, it was used the Geometric Morphometrics based on landmarks and univariate and multivariate statistical analysis. The results indicate strong sexual dimorphism in carapace size and shape. Similarly, this work provided evidence of differences in caparace size and shape among islands that may explained by two non-excluding alternatives: genetic differences and phenotypic plasticity in response to environmental heterogeneity of the sector. This study is a contribution to the knowledge of D. spinosissimus biology and indicates that the management strategies for the species must be different for each island. Universidad de Costa Rica 2016-06-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Contribution application/pdf text/html https://revistas.ucr.ac.cr/index.php/rbt/article/view/19108 10.15517/rbt.v64i2.19108 Revista de Biología Tropical; Vol. 64 No. 2 (2016): Volume 64 – Regular number 2 – June 2016; 667–681 Revista de Biología Tropical; Vol. 64 Núm. 2 (2016): Volumen 64 – Número regular 2 – Junio 2016; 667–681 Revista Biología Tropical; Vol. 64 N.º 2 (2016): Volume 64 – Regular number 2 – June 2016; 667–681 2215-2075 0034-7744 10.15517/rbt.v64i2 spa https://revistas.ucr.ac.cr/index.php/rbt/article/view/19108/24559 https://revistas.ucr.ac.cr/index.php/rbt/article/view/19108/24560 Copyright (c) 2016 Revista de Biología Tropical http://creativecommons.org/licenses/by/4.0
institution Universidad de Costa Rica
collection Revista de Biología Tropical
language spa
format Online
author Martínez-Campos, Bibian
spellingShingle Martínez-Campos, Bibian
Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental
author_facet Martínez-Campos, Bibian
author_sort Martínez-Campos, Bibian
description Morphogeometric variation in the caparace of “king crab” Damithrax spinosissimus” (Decapoda: Majidae) over three islands in the southwestern Caribbean. The Caribbean king crab Damithrax spinosissimus is a potential fishery resource biologically little known and considered as a vulnerable species in some regions. The mosaic distribution and the great environmental heterogeneity due the oceanographic, landscape and ecological features in the Caribbean may stimulate the phenotypic variability of D. spinosissimus among sites. To evaluate differences in crab carapace size and shape among islands and between sexes, it was used the Geometric Morphometrics based on landmarks and univariate and multivariate statistical analysis. The results indicate strong sexual dimorphism in carapace size and shape. Similarly, this work provided evidence of differences in caparace size and shape among islands that may explained by two non-excluding alternatives: genetic differences and phenotypic plasticity in response to environmental heterogeneity of the sector. This study is a contribution to the knowledge of D. spinosissimus biology and indicates that the management strategies for the species must be different for each island.
title Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental
title_short Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental
title_full Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental
title_fullStr Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental
title_full_unstemmed Morfogeometría del caparazón del cangrejo Damithrax spinosissimus (Decapoda: Mithracidae) en tres islas del Caribe suroccidental
title_sort morfogeometría del caparazón del cangrejo damithrax spinosissimus (decapoda: mithracidae) en tres islas del caribe suroccidental
publisher Universidad de Costa Rica
publishDate 2016
url https://revistas.ucr.ac.cr/index.php/rbt/article/view/19108
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