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Laird, C.A., and L.M. Page. 1996. Non-native fishes inhabiting the streams and lakes of Illinois. Illinois Natural History Survey Bulletin 35(1):1-51.
Lorenz, O.T., and M.T. O'Connell. 2008. Growth of non-native Rio Grande Cichlids (Herichthys cyanoguttatus) at different salinities and in the presence of native Bluegill (Lepomis macrochirus). Journal of Freshwater Ecology 23(4):537-544.
Lorenz, O.T., M.T. O'Connell, and P.J. Schofield. 2011. Aggressive interactions between the invasive Rio Grande cichid (Herichthys cyanoguttatus) and native bluegill (Lepomis macrochirus), with notes on redspotted sunfish (Lepomis miniatus). Journal of Ethology 29:39-46.
Lorenz, O.T., Riccobono, S.A., and Smith, P. 2016. Effects of salinity on the survival and aggression of the invasive Rio Grande cichlid (Herichthys cyanoguttatus). Marine and Freshwater Behaviour and Physiology 49(1):1-8.
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This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.