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Transactions of the American Fisheries Society 132:438449, 2003 Copyright by the American Fisheries Society 2003
 

Summary: 438
Transactions of the American Fisheries Society 132:438­449, 2003
Copyright by the American Fisheries Society 2003
Habitat and Diet Partitioning between Shoal Bass and
Largemouth Bass in the Chipola River, Florida
A. P. WHEELER*1
AND MICHAEL S. ALLEN
Department of Fisheries and Aquatic Sciences,
University of Florida,
7922 Northwest 71st Street,
Gainesville, Florida 32653-3071, USA
Abstract.--We investigated the macrohabitat use, microhabitat use, and food habits of shoal bass
Micropterus cataractae and largemouth bass M. salmoides in the upper Chipola River, Florida. We
electrofished two macrohabitats (pools and shoals) during the summer (May­August) and fall
(September­December) of 1999 and 2000. The ratio of shoal bass to largemouth bass differed
among macrohabitats, being highest in the shoals and lowest in the pools. Age-0 and adult (age-
1 and older) shoal bass were collected in areas of higher-than-average percentages of rocky substrate
in both shoals and pools. Age-0 and adult largemouth bass were associated with areas of reduced
current velocity and those with higher-than-average amounts of woody debris. Though the diets
of age-0 and adult shoal bass and largemouth bass were similar, a few differences were apparent.

  

Source: Allen, Micheal S. - Department of Fisheries and Aquatic Sciences, University of Florida

 

Collections: Environmental Sciences and Ecology