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Minnow Mania in a City Creek

Underwater photo of a gold/gray-colored chub with gray/blue head against a background of brown rocks and wood.

The video below, taken in late June by metro Atlanta resident Mark Rosseter, shows yellowfin shiners spawning in a Decatur creek over a gravel nest made by bluehead chubs or bluefin stonerollers.

The bluehead chubs are the bigger fish glimpsed in the video. The bluefin stonerollers are also larger but have a black band on their dorsal fin.

Yellowfins — the smaller, flashier minnows — are “nest associates” that primarily spawn over nests built by bluehead chubs. All of these fishes are native to Georgia.

Yellowfin shiner up-close (Special from DNR)

Which begs the question, what’s going on in creeks near you?

Top: Bluehead chub (Nathan Farnau)
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