First record of Craspedacusta sowerbyi Lankester, 1880 (Cnidaria: Limnomedusae: Olindiidae) in Mexico (Adolfo Lopez Mateos reservoir), with notes on their feeding habits and limnological dates

This paper represents the first record of the freshwater jellyfish Craspedacusta sowerbyi (Lankester 1880) in M,xico; the medusa was collected in Adolfo Lopez Mateos (ALM) reservoir, one of the main reservoirs in Sinaloa State NW in Mexico. This report of the population of C. sowerbyi represents an exceptional case of freshwater jellyfish on this latitude in American Continent. This study provides additional information on physico chemical characteristics of the reservoir and qualitative and quantitative analysis of the trophic spectrum of C. sowerbyi.