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Revista de Biología Tropical
On-line version ISSN 0034-7744Print version ISSN 0034-7744
Abstract
VELAZQUEZ-VELAZQUEZ, Ernesto; GONZALEZ-SOLIS, David and SALGADO-MALDONADO, Guillermo. Bothriocephalus acheilognathi (Cestoda) in the endangered fish Profundulus hildebrandi (Cyprinodontiformes), Mexico. Rev. biol. trop [online]. 2011, vol.59, n.3, pp.1099-1104. ISSN 0034-7744.
The Asian fish tapeworm, Bothriocephalus acheilognathi, has been considered one of the most dangerous parasites for cultured carp and a risk for native freshwater fish populations worldwide. This cestode is highly pathogenic for fishes especially fry. In this paper we record B. acheilognathi parasitizing the endangered and endemic freshwater fish Profundulus hildebrandi from the endorheic basin of San Cristóbal de las Casas, Chiapas, Mexico. B. acheilognathi was recorded from 10 of the 11 sampled localities, with high values of prevalence (>60%) and mean abundance (>4.50). The infection was persistent all through the year; gravid cestodes were recorded in all samples. It is assumed that B. acheilognathi entered to this area through the introduction of common carp Cyprinus carpio, for aquacultural purposes. The data presented in this paper document the successful introduction, colonization and establishment of this alien species into the endangered P. hildebrandi. Rev. Biol. Trop. 59 (3): 1099-1104. Epub 2011 September 01.
Keywords : alien helminth; Bothriocephalus acheilognathi; endangered freshwater fish species; Profundulus hildebrandi; Mexico.