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Walleye, and yellow perch are examples of coolwater species. Ranges for optimum growth fall between 60º and 85ºF. Temperatures in the upper end of this range are considered best for maximum growth for most coolwater species.
Darters, shiners, sunfish, topminnows, and even yellow perches are smaller and are more suited to aquarium keeping. They can be fed foods such as insects and worms, which can help reduce your feeding expense.
Larger North American native fishes like sunfish and yellow perch, given its propensity for eating smaller tankmates.
Breeding ...
 See also: Feeding, Water, Freshwater, Fish, Aquarium
  
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