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Visual Predation by Planktivores
Abstract
The distance at which planktivorous fish strike at prey was measured under a variety of conditions. Several lake trout, Salvelinus namaycush (Walbaum), had statistically indistinguishable reaction distances, or RD, for the same size prey. Lake trout and brook trout, Salvelinus fontinalis (Mitchill), increased their RD linearly as prey size increased. The RD by lake trout for Daphnia with high concentrations of haemoglobin were greater than the RD for more translucent Daphnia of the same size. Daphnia with their intestine darkened from ingesting India ink were not detected at a greater distance than normal Daphnia. Light intensities between 10 and 50 lux reduce RD for 3 species of fish while RD remained constant between 50 and 1400 lux. Lake trout RD in narrow aquaria were about 30% greater than RD in large aquaria. The probable usefulness of several models of feeding by planktivores is discussed. Laboratory results suggest models will need to incorporate choice of prey by the fish at high prey densities but not at low densities.
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Citations
Cited by
Foraging Efficiency and Body Size: A Study of Optimal Diet and Habitat Use by Bluegills
Mittelbach, G. G. (1981) · Ecology · doi:10.2307/1937300 · Cited by 915
A review of planktivorous fishes: Their evolution, feeding behaviours, selectivities, and impacts
Lazzaro, X. (1987) · Hydrobiologia · doi:10.1007/bf00008764 · Cited by 565
Foraging Efficiency of Three Freshwater Fishes: Effects of Structural Complexity and Light
Diehl, S. (1988) · Oikos · doi:10.2307/3566064 · Cited by 477
Walters, C. J., & Juanes, F. (1993) · Canadian Journal of Fisheries and Aquatic Sciences · doi:10.1139/f93-229 · Cited by 391
STRUCTURE OF FISH ASSEMBLAGES ALONG ENVIRONMENTAL GRADIENTS IN FLOODPLAIN LAKES OF THE ORINOCO RIVER
Rodríguez, M. A., & Lewis, W. M. (1997) · Ecological Monographs · doi:10.1890/0012-9615(1997)067[0109:sofaae]2.0.co;2 · Cited by 340
Metadata
- Authors
- Confer, J. L., Howick, G. L., Corzette, M. H., Kramer, S. L., Fitzgibbon, S., & Landesberg, R.
- Venue
- Oikos
- Publisher
- JSTOR
- Published
- 1978
- Volume
- 31
- Issue
- 1
- Pages
- 27
- ISSN
- 0030-1299 (ISSN-L)
- OpenAlex
- W2313295825
- Cited by
- 275
- References
- 0
- FWCI
- 6.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Confer, J. L., Howick, G. L., Corzette, M. H., Kramer, S. L., Fitzgibbon, S., & Landesberg, R. (1978). Visual Predation by Planktivores. Oikos. https://doi.org/10.2307/3543380
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
