Peter,
Westman (1938) describes spawning them in ponds with pieces of "large field
tile" placed on the bottom.
Gale (1983) describes spawning them in wading pools with acrylic plates.
I can send photocopies, if desired.
References:
Westman, J. R. 1938. Studies on the reproduction and growth of the
bluntnosed minnow, Hyborhynchus notatus (Rafinesque). Copeia 1938 (2):
57-61.
Gale, W. F. 1983. Fecundity and spawning frequency and caged bluntnose
minnows--fractional spawners. Transaction of the American Fisheries Society
112: 398-402.
Plus, I think there have been an article or two in older ACs.
Chris Scharpf
Baltimore
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