•  
  •  
 

Document Type

Research

Abstract

The sex ratio of river carpsuckers collected from the Des Moines River differed significantly from 1:1, females being most abundant. Spawning had already begun in early June and some fish were found ripe as late as August. No carpsuckers younger than age IV were found mature. All ripening carpsucker ovaries contained a group of eggs that seemed to be degenerating. It is not certain if carpsuckers spawn more than once in a season.

Publication Date

1965

Journal Title

Proceedings of the Iowa Academy of Science

Volume

72

Issue

1

First Page

253

Last Page

262

Copyright

© Copyright 1965 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

Share

COinS