Received 18-IV-2001. Accepted 30-VIII-2001.
The parasitic copepod C. chelifer was collected from the fishes Brevoortia spp., Xiphias gladius, and Trichiurus lepturus. The copepod was only known from oceanic areas (Massachusetts, Texas, Florida, and Tamaulipas). A mature male was collected during a zooplankton survey (October 23 rd , 1997) in Laguna Madre, Tamaulipas, Mexico (24º18’20" N and 97º43’42" W). It was deposited in the ENCBECOL Collection, Catalogue LAMAC-9701. Ecology Laboratory. Reference: Cressey, R. 1991. Parasitic copepods from the Gulf of Mexico and Caribbean Sea, III Caligus. Smithsonian Contrib. Zool. 497: 1-53.
Alberto Ocaña-Luna 1 and Carlos Álvarez-Silva 2
1 Departamento de Zoología, Escuela Nacional de Ciencias Biológicas, IPN. Prol. Carpio y Plan de Ayala s/n, Col. Santo Tomás. C.P. 11340. México, D. F. Tel: (525) 7296000 ext. 62423. Fax: 3963503.
2 Departamento de Hidrobiología, Universidad Autónoma Metropolitana Iztapalapa. A.P. 55-535. C.P. 09340. México, D.F. Tel: 8046478. E-mail: danae@xanum.uam.mx
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