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The complete larval development of Pilumnus limosus (Crustacea: Decapoda: Brachyura: Pilumnidae) described from laboratory reared material

Published online by Cambridge University Press:  27 June 2005

Marcelo U. García-Guerrero ,
Michel E. Hendrickx ,
José A. Cuesta  and
Antonio Rodríguez
Marcelo U. García-Guerrero
Affiliation:
Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, UNAM, PO Box 811, Mazatlán, Sinaloa, 82000 Mexico, E-mail: [email protected]
Michel E. Hendrickx
Affiliation:
Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, UNAM, PO Box 811, Mazatlán, Sinaloa, 82000 Mexico, E-mail: [email protected]
José A. Cuesta
Affiliation:
Instituto de Ciencias Marinas de Andalucía (CSIC), Avenida República Saharaui, 2, 11510 Puerto Real, Cádiz, Spain, E-mail: [email protected]; [email protected]
Antonio Rodríguez
Affiliation:
Instituto de Ciencias Marinas de Andalucía (CSIC), Avenida República Saharaui, 2, 11510 Puerto Real, Cádiz, Spain, E-mail: [email protected]; [email protected]
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Abstract

The pilumnid crab Pilumnus limosus is known from Gonzaga Bay, Baja California, Mexico, to Zorritos, Paita, Peru. Larvae from a female collected in the intertidal rocky shore in Mazatlán, south-eastern Gulf of California, Mexico, were reared in the laboratory from Zoea I to megalopa. A complete description and illustration of larval features is provided and a comparison with closely related species showing known larval development is presented. As in most species of this genus, P. limosus larval development consists of four zoeae. All features observed in P. limosus are similar to those of P. reticulatus and P. sayi. All those larvae have lateral processes on abdominal somites 2–5 (2 or 3 in other species); posteromarginal denticles on abdominal somites 2–6 (absent in other species of the genus).

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 85 , Issue 4 , August 2005 , pp. 865 - 876
Copyright
2005 Marine Biological Association of the United Kingdom

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