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Fishery Bulletin 1 14(2) 
size and weight of captured specimens of bullnose ray 
in our study. Furthermore, fishing effort at La Pared 
can be influenced by the abundance of other species, 
such as tuna and deep sea sharks (Tagliafico et ah, 
2013a), as well as by natural events, such as strong 
wind, waves, or even local festivities, all of which can 
reduce landings, and with them, the data available for 
fishery-dependent research. 
