Scientia Marina, Vol 69, No 3 (2005)

The complete larval development of Eurypanopeus canalensis Abele and Kim, 1989 (Crustacea: Brachyura: Panopeidae) described from laboratory reared material


https://doi.org/10.3989/scimar.2005.69n3355

Marcelo U. García-Guerrero
Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Spain

Antonio Rodríguez
Instituto de Ciencias Marinas de Andalucía (CSIC), Spain

José A. Cuesta
Instituto de Ciencias Marinas de Andalucía (CSIC), Spain

Michel E. Hendrickx
Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Mexico

Abstract


The estuarine panopeid crab Eurypanopeus canalensis Abele and Kim, 1989, is an eastern tropical Pacific species with a known distribution from the southeastern Gulf of California, Mexico, to Panama. Its complete larval development is fully described and illustrated from laboratory-reared material. The four zoeal stages and the megalopa are compared with two congeneric species from the West Atlantic, E. abbreviatus (Stimpson, 1860) and E. depressus (Smith, 1869). The main differences between larvae of E. canalensis and those of these two species include telson setation and the presence/absence of a stout hook-like spine in the megalopae cheliped ischium.

Keywords


Brachyura; Eurypanopeus; larvae; development

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