Fish Predation on Bosmina longirostris: Body-Size Selection Versus Visibility Selection

Zaret, Thomas M.; Kerfoot, W. Charles

doi:10.2307/1935317

Cited by 291 publications

(184 citation statements)

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“…Therefore not surprisingly, prey visibility (Zaret & Kerfoot 1975) or apparent size (O'Brien et al 1976) determines fish selection more significantly than actual prey size (Brooks & Dodson 1965). Moreover, recent experiments with virtual plankton images (Brewer & Coughlin 1996) show that fish select accordingly to the moving pattern of the prey and so prey motion can increase prey conspicuousness to fish predators as has been suggested by Zaret (1980).…”

Section: Introductionmentioning

confidence: 88%

Differences in feeding selectivity and efficiency between young-of-the-year European perch (Perca fluviatilis) and roach (Rutilus rutilus) — field observations and laboratory experiments on the importance of prey movement apparency vs. evasiveness

Peterka

Matěna

2009

Biologia

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Differences in feeding selectivity and efficiency between young-of-the-year European perch (Perca fluviatilis) and roach (Rutilus rutilus) -field observations and laboratory experiments on the importance of prey movement apparency vs. evasiveness Jiří Peterka & Josef MatěnaBiology Centre of the Academy of Sciences of the Czech Republic, Institute of Hydrobiology, Na Sádkách 7, CZ-37005 České Budějovice, and Faculty of Science, University of South Bohemia, Branišovská 31, CZ-37005 České Budějovice, Czech Republic; e-mail: jpeterkacz@yahoo.com Abstract: Feeding selectivity and efficiency of young-of-the-year European perch and roach were compared under field and laboratory conditions. In laboratory experiments, the importance of prey evasiveness versus prey movement conspicuousness for fish selectivity was evaluated with respect to changing Cladocera/Copepoda prey ratio. Feeding efficiency was additionally investigated in relation to feeding time (5, 10, 20 min) and prey density (approx. 50, 200, 700 ind. L −1 ). In Římov Reservoir, the diet of both fish species was nearly exclusively composed of crustacean zooplankton. In roach, diet shifted from rotifers and bosminids in May, towards Daphnia sp. and Leptodora kindtii in June and July. Daphnia contributed almost exclusively to the roach diet since June, composing on average more than 94% of total prey. Cyclopoid copepods, occurred in the roach's diet only on the first sampling date; later on both cyclopoid and calanoid copepods were completely absent. On the other hand, copepods played an important role in the diet of perch. In early and mid-June when their share in the zooplankton was particularly high, copepods contributed by more than 50% to the diet of perch. Although their contribution dropped with their decline in zooplankton in June/July, by the end of July they again comprised about one third of perch's diet. In both fish species, the increase in numbers of cladocerans in their diet was related to increase in SL. In roach, the numbers of consumed prey were doubled every twenty days during the investigated period. In perch the increase was not so consistent, but significantly higher efficiency of perch was reported on three out of six sampling dates. In laboratory experiments, roach showed a distinct avoidance for copepods and a preference for cladocerans. Both prey categories were only fed non-selectively when they dominated the prey mixture. Perch selectivity was more diversified. Contrary to roach, perch were fed copepods non-selectively on a balanced prey ratio. Further, with an increasing share of Cladocera, a situation resembling that of roach and Copepoda was avoided. However, when the share of copepods in the prey mixture dropped below ten percent, they were consumed non-selectively and with their ongoing decline in the prey mixture their preference even increased. Feeding efficiency differed significantly between perch and roach when foraging on copepods exclusively or on a prey mixture where copepods predominated. In the short time feeding experi...

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Section: Introductionmentioning

confidence: 88%

Differences in feeding selectivity and efficiency between young-of-the-year European perch (Perca fluviatilis) and roach (Rutilus rutilus) — field observations and laboratory experiments on the importance of prey movement apparency vs. evasiveness

Peterka

Matěna

2009

Biologia

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“…Zaret and Suffern (1976) explained vertical migration as a mechanism of zooplankton to avoid predation, which is related to luminosity, body size and visibility of the prey. These factors cause predators like planktivorous fish to prey differently on the Cladocera community (Zaret, 1972;Zaret and Kerfoot, 1975). Later, Lampert (1989) pointed to light-related mortality as the ultimate reason for the vertical movements.…”

Section: Introductionmentioning

confidence: 99%

Composition, species richness and patterns of nycthemeral vertical distribution of planktonic cladocereans in a black water Amazonian lake

Ghidini

Santos-Silva

2011

Nauplius

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The aim of this study was to identify patterns of vertical distribution of planktonic cladocerean populations throughout the diel cycle, during the low and high water periods, and its ecological implications for a black water Amazonian lake. Tupé Lake is a black water lake located near the Brazilian city of Manaus. A channel links the lake with the Negro River and its flood pulse. This study was performed in a low-water period (November 2005) and in a high-water period (June 2006). Samples were taken on a 24-hour cycle, every 4 hours and at each meter of the water column, using a Schindler-Patalas trap equipped with a 55µm size mesh. A total of 16 species were registered during the low water period, wherein Bosminopsis deitersi, Moina minuta, and Ceriodaphnia cornuta were the most abundant species. B. deitersi migrated to the bottom during the afternoon, while M. minuta, Moina reticulata, and Holopedium amazonicum remained at the bottom for the entire diel cycle. During the high-water period, a total of 18 species were observed, and B. deitersi, C. cornuta, and Diaphanosoma polyspina were the most abundant species. During both sampling periods, no pattern was detected for C. cornuta. Generally, vertical patterns of distribution were less evident in the high water period, due to the mixing of the lake.

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“…highly pigmented) ones. This visibility selection of fish may also cause changes in their prey communities (Zaret, 1972;Zaret and Kerfoot, 1975). For studies on past fish stocks, Jeppesen et al (1996) created the first quantitative paleolimnological reconstruction model using the relationship between cladoceran remains and planktivorous fish.…”

Section: Introductionmentioning

confidence: 99%

Implications for the use of sedimentary invertebrate communities to infer past presence of fish

Nevalainen

Luoto

2010

Knowl. Managt. Aquatic Ecosyst.

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Key-words:Chaoborus, Chironomidae, Cladocera, community structure, paleolimnology, predationWe investigated surface sediment assemblages of invertebrates from nine shallow lakes in southern Finland and assessed the relationship between invertebrate assemblages and fish status at local scale for the purpose of paleolimnological food-web studies. Invertebrate-based cluster analysis separated the fish-free lakes into their own group and the results also showed a strong and statistically significant relationship between fish status and faunal sedimentary assemblages. The present results from the local data set indicate good potential for developing quantitative invertebrate-based paleolimnological fish status models in the future. However, for the implementation of the models substantially more lakes with different fish status need to be examined that the effect of fish predation on invertebrate communities can be separated from other limnological forcing mechanisms. RÉSUMÉImplications sur l'usage des communautés d'invertébrés sédimentaires pour inférer la présence passée de poisson Mots-clés :Chaoborus, Chironomidae, Cladocera, structure de communauté, paléolimnologie, prédation Nous avons étudié les communautés d'invertébrés du sédiment de surface de neuf lacs peu profonds du sud de la Finlande et établi la relation entre les assemblages d'invertébrés et le statut piscicole à l'échelle locale dans le but d'études paléolimnologiques des réseaux trophiques. L'analyse de classification basée sur les invertébrés a séparé les lacs sans poissons en un groupe isolé et les résultats ont aussi montré une forte et statistiquement significative relation entre le statut piscicole et les assemblages de faune sédimentée. Ces résultats d'un jeu de données locales indiquent un bon potentiel futur pour le développement de modèles quantitatifs du statut piscicole ancien basés sur la paléolimnologie des inverté-brés. Toutefois, l'implémentation des modèles demande bien plus de lacs étudiés de différents statuts piscicoles de façon à ce que l'effet de la prédation sur les communautés d'invertébrés puisse être séparé des autres mécanismes limnologiques de forçage.

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Fish Predation on Bosmina longirostris: Body-Size Selection Versus Visibility Selection

Cited by 291 publications

References 14 publications

Differences in feeding selectivity and efficiency between young-of-the-year European perch (Perca fluviatilis) and roach (Rutilus rutilus) — field observations and laboratory experiments on the importance of prey movement apparency vs. evasiveness

Differences in feeding selectivity and efficiency between young-of-the-year European perch (Perca fluviatilis) and roach (Rutilus rutilus) — field observations and laboratory experiments on the importance of prey movement apparency vs. evasiveness

Composition, species richness and patterns of nycthemeral vertical distribution of planktonic cladocereans in a black water Amazonian lake

Implications for the use of sedimentary invertebrate communities to infer past presence of fish

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