Comunidad de parásitos metazoarios de la charra Cichlasoma trimaculatum en la laguna de Tres Palos, Guerrero, México

作者: JUAN VIOLANTE GONZÁLEZ , MA. LEOPOLDINA AGUIRRE MACEDO , AGUSTÍN ROJAS HERRERA

DOI: 10.22201/IB.20078706E.2008.002.560

关键词:

摘要: WE ANALYZED METAZOAN PARASITE COMMUNITY COMPOSITION IN THE THREE-SPOT CICHLID CICHLASOMA TRIMACULATUM USING SEASONAL SAMPLES TAKEN BETWEEN APRIL 2000 AND NOVEMBER 2002 FROM TRES PALOS LAGOON, GUERRERO, MEXICO. A TOTAL OF 231 HOSTS WERE EXAMINED. 12 SPECIES RECOVERED (40,969 INDIVIDUALS), 10 HELMINTHS: ASCOCOTYLE (PHAGICOLA) LONGA, AUSTRODIPLOSTOMUM COMPACTUM, CLADOCYSTIS TRIFOLIUM, CLINOSTOMUM COMPLANATUM, CRASSICUTIS CICHLASOMAE, POSTHODIPLOSTOMUM MINIMUM, PSEUDOACANTHOSTOMUM PANAMENSE, NEOECHINORHYNCHUS GOLVANI, SOUTHWELLINA HISPIDA, CONTRACAECUM SP. REMAINING 2 CRUSTACEANS ARGULUS ERGASILUS WAS GENERALLY POOR NUMBER SPECIES, CHARACTERIZED BY HIGH GENERALIST PARASITES FEWER SPECIALISTS. FOUR 5 COMMON EXHIBITED SEASONALLY VARIABLE INFECTION DYNAMICS ASSOCIATED WITH ENVIRONMENTAL DIFFERENCES DRY RAINY SEASONS. THIS VARIATION GENERATED CHANGES STRUCTURE OVER TIME. CLEAR PATTERNS NOT OBSERVED, HOWEVER, INDICATING THAT HAS LOW PREDICTABILITY, AS BEEN SUGGESTED FOR OTHER COMMUNITIES FRESHWATER FISH.

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