To tell the bluegill young from rebreast young there are a couple things.
The hard thing is that many things change drastically from 1/2 inch to 1
inch. Bluegills should always show a barring, and be a chrome blue sheen
between them. More often than not the fins have some dark blueish black in
them. Redbreast young have little red spots scattered about on the fish.
These can only easily be seen close up. The fins are clear except for the
ventrals are white on the red breast. Both species can have red eyes ,
especially when young, and banding, but that is less noticable on the red
breasts. One other thing, If I remember right from those that I have seen,
baby red breasts have some turquoise on the gill cover even at that small
size, where bluegills almost never ( never say never) have turquoise when
tiny.
Hope this helps,
Ray
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