Landry, M.R. (1978). Predatory feeding behavior of a marine copepod, Labidocera trispinosa. Limnology and Oceanography 23(6):1103-1113, figs. 1-8, tab. 1. (xi-1978)

98836

Landry, M.R.

1978

23(6):1103-1113, figs. 1-8, tab. 1. (xi-1978)

Publication

Available in Wilson Copepod Library (non-digital)

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The behavior of Labidocera feeding on early devclopmcntal stages of five common species of planktonic calanoid copepods was investigated to determine its species-specific impact on a mixed copepod community. Feeding rates on individual prey were not affected by prey density or the availability of alternate prey; threshold feeding behavior was not observed. Capture rates of naupliar prey of all species increase as a function of their size even though larger nauplii appear better able to avoid capture. In general, the ability of Labidocera to capture individuals of a prey species decreases abruptly after the prey develop to the copcpodid stages. As a consequence of the limited susceptibility of copepodid stages to capture by Labidocera and higher feeding rates on larger nauplii, the predatory impact of Lnbidocera is greatest on the largest of the prey species.

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