Acanthodiaptomus denticornis another omnivorous calanoid copepod: description of its mouth appendages and feeding experiments on animal prey |
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Authors: | Nicole Lair Maria Hilal |
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Affiliation: | 1. Université Blaise Pascal, Hydrobiologie des Eaux Douces, URA CNRS 138, 63177, Aubière Cedex, France
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Abstract: | The mouthpart morphology of the freshwater calanoid copepod Acanthodiaptomus denticornis was examined with optical microscopy. The mouthparts have sharp teeth and stout appendages with clawlike setae, typical of omnivorous calanoid mouthpart morphology. Observation of the buccal aperture with Scanning Electron Microscopy shows a large opening permitting feeding on prey as large as Keratella cochlearis. These observations agree with our feeding experiments which show that A. denticornis feed on K. cochlearis. |
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Keywords: | Acanthodiaptomus denticornis feeding appendages ingestion rate |
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