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Carapace relative growth of Trapezia Latreille, 1828 (Decapoda, Brachyura), crabs that are symbionts of hard corals, from Clipperton atoll and the Revillagigedo islands: ecological and zoogeographical implications

Carapace relative growth of Trapezia Latreille, 1828 (Decapoda, Brachyura), crabs that are... CARAPACE RELATIVE GROWTH OF TRAPEZIA LATREILLE, 1828 (DECAPODA, BRACHYURA), CRABS THAT ARE SYMBIONTS OF HARD CORALS, FROM CLIPPERTON ATOLL AND THE REVILLAGIGEDO ISLANDS: ECOLOGICAL AND ZOOGEOGRAPHICAL IMPLICATIONS BY LAURA SANVICENTE-AÑORVE 1,3 ) , MARGARITA HERMOSO-SALAZAR 1 ) , VIVIANNE SOLÍS-WEISS 1 ) and ISAÍAS H. SALGADO-UGARTE 2 ) 1 ) Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Apdo. Postal 70-305, 04510 Mexico, D.F., Mexico 2 ) Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Zaragoza, Batalla 5 de mayo esquina Fuerte de Loreto, 09230 Mexico, D.F., Mexico ABSTRACT Decapod metapopulation dynamics are better understood by confronting theoretical studies with empirical data. In this study, our goal was to analyse the morphometric characteristics and relative growth of the carapace of Trapezia bidentata (Forskål, 1775) and T . digitalis Latreille, 1828, crabs from the islands Clipperton and Revillagigedo, in order to assess the degree of inter- and intraspecific similarity of the four insular populations. We examined 325 specimens and identified four species: T . bidentata (72.9% of total abundance), T . digitalis (23.1%), T . formosa Smith, 1869 (3.4%), and T . corallina Gerstaecker, 1857 (0.6%). Three carapace measurements were taken for each specimen: carapace http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Carapace relative growth of Trapezia Latreille, 1828 (Decapoda, Brachyura), crabs that are symbionts of hard corals, from Clipperton atoll and the Revillagigedo islands: ecological and zoogeographical implications

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216X
eISSN
1568-5403
DOI
10.1163/001121610x533520
Publisher site
See Article on Publisher Site

Abstract

CARAPACE RELATIVE GROWTH OF TRAPEZIA LATREILLE, 1828 (DECAPODA, BRACHYURA), CRABS THAT ARE SYMBIONTS OF HARD CORALS, FROM CLIPPERTON ATOLL AND THE REVILLAGIGEDO ISLANDS: ECOLOGICAL AND ZOOGEOGRAPHICAL IMPLICATIONS BY LAURA SANVICENTE-AÑORVE 1,3 ) , MARGARITA HERMOSO-SALAZAR 1 ) , VIVIANNE SOLÍS-WEISS 1 ) and ISAÍAS H. SALGADO-UGARTE 2 ) 1 ) Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Apdo. Postal 70-305, 04510 Mexico, D.F., Mexico 2 ) Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Zaragoza, Batalla 5 de mayo esquina Fuerte de Loreto, 09230 Mexico, D.F., Mexico ABSTRACT Decapod metapopulation dynamics are better understood by confronting theoretical studies with empirical data. In this study, our goal was to analyse the morphometric characteristics and relative growth of the carapace of Trapezia bidentata (Forskål, 1775) and T . digitalis Latreille, 1828, crabs from the islands Clipperton and Revillagigedo, in order to assess the degree of inter- and intraspecific similarity of the four insular populations. We examined 325 specimens and identified four species: T . bidentata (72.9% of total abundance), T . digitalis (23.1%), T . formosa Smith, 1869 (3.4%), and T . corallina Gerstaecker, 1857 (0.6%). Three carapace measurements were taken for each specimen: carapace

Journal

Crustaceana – Brill

Published: Jan 1, 2010

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