Abstract
Abstract The population characteristics of crappies Pomoxis spp. were examined in three Tennessee reservoirs (Kentucky, Barkley, and Woods) sampled in fall with trap nets and electrofishing. Kentucky and Barkley reservoirs are large main-stem impoundments on the Tennessee and Cumberland rivers, respectively. Woods Reservoir is a small tributary storage impoundment on the Elk River in south-central Tennessee. Mean length at age was similar between white crappies P. annularis and black crappies P. nigromaculatus at ages 1 and 2 in Barkley Reservoir and at age 1 in Kentucky Reservoir. Thereafter, white crappies were consistently larger than black crappies at older ages, and the differences in mean length commonly exceeded 30 mm once the fish in both reservoirs were age 4. Crappie species compositions in concomitant electrofishing and trap-net samples were relatively similar in the two main-stem reservoirs. However, black crappies represented much higher proportions in the trap-net samples than they did in th...
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