1979Limnology and OceanographyRequires access

Differential predation by the carnivorous marine copepod, Tortanus discaudatus1

Michael M. Mullin

Open publisher page 28 citations

Abstract

The relative predation by adult, female Tortanus on their own nauplii and on developmental stages of Acartia clausii was determined by offering pairs of prey at several relative and absolute abundances. Predation was most intense on adult Acartia, less so on juvenile Acartia (nauplii and immature copepodites), and least on naupliar Tortanus. There was no evidence of switching.

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The relative predation by adult, female Tortanus on their own nauplii and on developmental stages of Acartia clausii was determined by offering pairs of prey at several relative and absolute abundances. Predation was most intense on adult Acartia, less so on juvenile Acartia (nauplii and immature copepodites), and least on naupliar Tortanus. There was no evidence of switching.

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Available abstract

The relative predation by adult, female Tortanus on their own nauplii and on developmental stages of Acartia clausii was determined by offering pairs of prey at several relative and absolute abundances. Predation was most intense on adult Acartia, less so on juvenile Acartia (nauplii and immature copepodites), and least on naupliar Tortanus. There was no evidence of switching.

Key concepts: Copepod, Acartia, Predation, Biology, Juvenile, Ecology, Crustacean, Zoology

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Differential predation by the carnivorous marine copepod, Tortanus discaudatus1 — Research Paper | ScholarLens