Closing a distributional gap of over 3000 km and encountering an invisible barrier: new presence/absence data for Johngarthia planata Stimpson, 1860 (Decapoda, Brachyura, Gecarcinidae) for Central America and biogeographic notes on East Pacific Gecarcinidae

Closing a distributional gap of over 3000 km and encountering an invisible barrier: new... INTRODUCTION Species of the land crab genus Johngarthia Türkay, 1970 are the most striking, abundant and ecologically important arthropods on many eastern Pacific and Atlantic islands (Ortega-Rubio et al., 1997; Hartnoll et al., 2006; López-Victoria & Werding, 2008; Bouchard & Poupin, 2009). Johngarthia planata (Stimpson, 1860) (in some studies cited with incorrect gender as J. planatus ) is widespread occuring from the lower Baja California Peninsula, Tres Marias Islands and the Revillagigedo Archipelago, Mexico, and Clipperton Island, France (Rathbun, 1918; Türkay, 1970) to Gorgona Island, Colombia (Von Prahl, 1983). This last record extended the previously known distribution area of J. planata by more than 3200 km and Von Prahl (1983) proposed dispersal of the marine larvae of J. planata by the California Current and North Equatorial Counter Current between the Mexican islands over the Cocos and Malpelo islands to Gorgona Island. However, the record of J. planata from Cocos Island given by Vargas-Castillo & Wehrtmann (2008) was recently referred to a new species, J. cocoensis Perger, Vargas & Wall, 2011, and Malpelo Island is inhabited by the endemic J. malpilensis (Faxon, 1893). Despite possible dispersal by coastal currents (see Kessler, 2006), and dispersal ability and ecological flexibility suggested http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Closing a distributional gap of over 3000 km and encountering an invisible barrier: new presence/absence data for Johngarthia planata Stimpson, 1860 (Decapoda, Brachyura, Gecarcinidae) for Central America and biogeographic notes on East Pacific Gecarcinidae

Crustaceana, Volume 86 (3): 268 – Jan 1, 2013

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Publisher
Brill
Copyright
© Koninklijke Brill NV, Leiden, The Netherlands
Subject
Articles
ISSN
0011-216x
eISSN
1568-5403
D.O.I.
10.1163/15685403-00003172
Publisher site
See Article on Publisher Site

Abstract

INTRODUCTION Species of the land crab genus Johngarthia Türkay, 1970 are the most striking, abundant and ecologically important arthropods on many eastern Pacific and Atlantic islands (Ortega-Rubio et al., 1997; Hartnoll et al., 2006; López-Victoria & Werding, 2008; Bouchard & Poupin, 2009). Johngarthia planata (Stimpson, 1860) (in some studies cited with incorrect gender as J. planatus ) is widespread occuring from the lower Baja California Peninsula, Tres Marias Islands and the Revillagigedo Archipelago, Mexico, and Clipperton Island, France (Rathbun, 1918; Türkay, 1970) to Gorgona Island, Colombia (Von Prahl, 1983). This last record extended the previously known distribution area of J. planata by more than 3200 km and Von Prahl (1983) proposed dispersal of the marine larvae of J. planata by the California Current and North Equatorial Counter Current between the Mexican islands over the Cocos and Malpelo islands to Gorgona Island. However, the record of J. planata from Cocos Island given by Vargas-Castillo & Wehrtmann (2008) was recently referred to a new species, J. cocoensis Perger, Vargas & Wall, 2011, and Malpelo Island is inhabited by the endemic J. malpilensis (Faxon, 1893). Despite possible dispersal by coastal currents (see Kessler, 2006), and dispersal ability and ecological flexibility suggested

Journal

CrustaceanaBrill

Published: Jan 1, 2013

References

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