http://www.fs.fed.us/r6/fishing/regi...ges/smbass.jpg The Smallmouth's upper jaw does not extend back past the center of the eye. Other identifying characteristics include:Originally Posted by BassHole24
The spinous and soft-rayed parts of the dorsal fin are not separated as much as in the largemouth
No longitudinal stripe; the appearance is often mottled with dark vertical bars
As with the largemouth, coloration is variable depending on environmental factors. Generally, the back and sides are a yellowish-brown (hence the name "bronzeback"), but sometimes very dark brown, almost black, shading to a lighter-colored or whitish belly.
Smallmouth Bass spawn on gravel and sandy beaches when the water temperature approaches 65F. Smallmouth bass have been observed on spawning nests in June. Most spawning appears to be associated with shallow littoral areas (about 10 feet) which have pea size gravel. Juvenile smallmouth bass remain near the nest for 5-7 days with the male guarding the young and the nest. After spawning, adult smallmouth bass retreat to deeper water. Juvenile smallmouth bass remain in the protection afforded by boulders, cobble, and talus slopes. Juvenile smallmouth bass eat plankton, immature aquatic insects and crayfish. Adults eat mostly crayfish and fish.
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