Because many sunfish can , depending on location and other factors, spawn more than once a year , and some do , the number of spawns is not critical. The best measure of fecundity (reproductive capacity)is the number of eggs produced by an average female over a year. That is why Fisheries Scientists use that measure in their work. See the prior post which noted the numbers for GSF and BG. A direct answer is in most US locations BG have multiple spawns. The further north the fewer in number of spawns. IMO this is due to weather- photoperiod and temps are at their best over a shorter spring/summer period. GSF have been noted in some locations to spawn more than once but I have seen no data indicating that they spawn 4-10 times like BG do in most southern locations.
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