Figure 71 [Copyright: American Fisheries Society]
Figure 77 [Copyright: American Fisheries Society]
| EKEY - The Electronic Key for Identifying Freshwater Fishes | ||||||||
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| Percidae:1a | Posterior margin of preopercle moderately or strongly serrate (Figure 71); branchiostegal rays usually 7, rarely 8; adult of panfish or gamefish size | Percidae:2 |
| Percidae:1b | Posterior margin of preopercle smooth or occasionally weakly, rarely moderately serrate (Figure 77); branchiostegal rays usually 6, rarely 7; small fishes | Percidae:3 |
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Click the image to check for a higher-resolution version. Figure 71 [Copyright: American Fisheries Society] |
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| Figure 71: Serrate preopercle in Perca. | |
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Click the image to check for a higher-resolution version. Figure 77 [Copyright: American Fisheries Society] |
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| Figure 77: Etheostoma vitreum with villi in anal-urogenital area, and bifurcate (or more branched) genital papilla: (A) Nonbreeding female. (B) Breeding female. (C) Breeding male. |
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