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Pharyngeal teeth of the freshwater drum (Aplodinotus grunniens) a predator of the zebra mussel (Dreissena polymorpha)

Journal of Freshwater Ecology

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Abstract

The morphology of pharyngeal teeth of freshwater drum (Aplodinotus grunniens) was studied to determine changes that occur during growth of drum that may relate to consumption of zebra mussel (Dreissena polymorpha) by larger fish. Pharyngeal teeth were of three types. Cardiform teeth were replaced by villiform teeth, which were replaced by molariform teeth as the size class of drum increased. Molariform teeth comprised over 85% of total surface area of dentition in fish 265 mm long.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Pharyngeal teeth of the freshwater drum (Aplodinotus grunniens) a predator of the zebra mussel (Dreissena polymorpha)
Series title:
Journal of Freshwater Ecology
Volume
12
Issue:
3
Year Published:
1997
Language:
English
Contributing office(s):
Great Lakes Science Center
Description:
p. 495-498
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
495
Last page:
498
Number of Pages:
3