Abstract
Abstract The saugeye (F1 hybrid of female walleye [Stizostedion vitreum] X male sauger [Stizostedion canadense]) was evaluated in Ohio ponds (0.29-0.37 hectares) for 3 years. Saugeye were stocked (mean total length = 34 mm) on 30 May 1979. First-summer survival estimates ranged from 0 to 81%. The lack of survivors in two of the four ponds was attributed to predation by largemouth bass (Micropterus salmoides) and green sunfish (Lepomis cyanellus). Growth in two ponds was good (mean total length = 195 mm and 214 mm) despite the presence of dense aqaatic macrophytes. Mean total length at the end of the second year varied little (approximately 284 mm) and growth was slow due to low abundance of prey. Mean total lengths at the end of the third summer were 351 mm and 400 mm in two ponds. Minimum survival rates from July 1980 to November 1981 in two ponds were 57 aud 24%. Saugeye were exclusively piscivorous and ate fathead minnows (Pimephales promelas), golden shiners (Notemigonus crysoleucus), bluegill (Lepomi...
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