Always a pleasure to cruise a bit with Fred! We got a 2nd observation of topminnows mixed with chubs at the Bear bridge.
Note the 2 light strips on dorsal surface of Topminnow females. Note black topminnow male.
Key Cn=Chub, TFn=Topminnow female, TMn=Topminnow male.
Anne says: Click photos for larger view!
Bonus link from Marty - blog on topminnow restoration.
And my post from November 2015 on this topic.