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The Mobile Chub

Mobile Chub is a small fish of larger rivers below the Fall Line in the Mobile basin. Females reach a greater descriptive upper length than males.

River Distribution

The species is Macrhybopsis boschungi. Records include larger rivers and the lowest reaches of major tributaries in the lower Mobile system. Its below-Fall-Line distribution should not be expanded automatically to all headwater creeks in the same basin.

Current and Bottom

Moderately clear to turbid water is used over mixtures of gravel, sand and silt. Moderate to strong current is characteristic. These observations show why water clarity alone should not determine whether a river record is consistent with the species’ habitat.

Size and Similar Species

The descriptive female reference is 5.7 centimeters standard length, larger than the 4.7-centimeter male value. The species occurs with a related chub in part of the Cahaba system, so shared locality does not eliminate the need for diagnostic identification.

Keep the Larger Female Reference

When male and female values use the same length convention, retain the larger supported female size rather than only the first listed value.

All Lakes With Mobile Chub

Browse all lakes and reservoirs with confirmed Mobile Chub records in our database, listed alphabetically.

No published lakes are currently linked to this species in our confirmed records.

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