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Differences in the Egg Complement of Hadropterus scierus from Austin and San Marcos
Clark Hubbs and Martha V. Johnson
The Southwestern Naturalist
Vol. 6, No. 1 (Jun. 10, 1961), pp. 9-12
Published by: Southwestern Association of Naturalists
Stable URL: http://www.jstor.org/stable/3669362
Page Count: 4
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Eggs of Hadropterus scierus from near Austin, Texas, are smaller and more numerous than those from near San Marcos. The increased egg diameter correlates directly with intensity of interspecific competition and correlates inversely with intraspecific competition.
The Southwestern Naturalist © 1961 Southwestern Association of Naturalists