In this June 13, 2012, file photo, Asian carp, jolted by an electric current from a research boat, jump from the Illinois River near Havana, Ill. (AP Photo/John Flesher, File)
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A study Thursday found it is more important to toss back big ones, especially females.They consulted publications in Google Scholar about wild fish, combined with data on egg-quality of a range of species collected by Robertson.A single female fish may release anywhere between 11 to almost 58 million eggs per clutch, they found.For instance, researchers found that a single 30-kilogram female produces more eggs than about 28 small females weighing two kilos each, for a collective weight of 56 kilograms.
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