If competition has been an important structuring force in a fish assemblage, we should see resource partitioning among coexisting fishes.
Results show a preference for bottom or midwater, upper end of pools or lower end.
There were distinct fauna associated with bottom and midwater. They swam transects in 2 lakes, parallel to shore, at different distances from shore fig. If flood occurs when eggs are in sediment or nests, can kill yearclass. Usually nails spring-spawners, but there are cases where spring and fall spawners are hit in different years. Floods wash out exotics, but natives persist.