Reproductive Cycle of the Plains Minnow, Hybognathus placitus (Cyprinidae), in the Cimarron river, Oklahoma
- 30 March 1988
- journal article
- research article
- Published by JSTOR in The Southwestern Naturalist
- Vol. 33 (1) , 27-33
- https://doi.org/10.2307/3672085
Abstract
The reproductive cycle of the plains minnow, Hybognathus placitus, in the Cimarron River, northcentral Oklahoma, is described. Reproducing females were collected from late April to July 1979; ovarian weights, expressedas a percentage of body weights, peaked in June. Females first spawned during their second summer of life; the smallest producing female was 48 mm in standard length. Mature ova were 0.85 to 1.30 mm in diameter. Analysis of length frequency distributions suggested multiple peaks in spawning activity which apparently coincided with high water conditions.This publication has 0 references indexed in Scilit: