RE: NANFA-- phoxinus erythrogaster breeding

geoff (
Mon, 19 May 2003 19:19:07 -0400

thanks for the warning. that fits with the behavior I find with the
adults - I started off with 20 adults last fall and they thinned the school
to 5 before I closed off all means of escape.

Speaking of these red belly dace - The fry I have come from parents
collected in the disjunct population in Kansas. I also have red belly dace
collected locally. Are there any known differences in this fish along its
range? Is the population in Kansas natural or is it introduced?

While on the subject of phoxinus, I have a few northern red belly dace from
Wisconsin. These fish are found in slower waters than the southern red
belly dace. I have read that the northern dace breed in plant clumps, while
I know the southern scatter eggs in gravel, especially in stoneroller nests.
Are there morphologic differences between the northern and southern red
belly dace?

Geoff Kimber
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