Microhabitat Selection by Three Stream-Dwelling Cyprinids: Blacktail Shiner (Cyprinella venusta), Bluntface Shiner (C. camura), and Striped Shiner (Luxilus chrysocephalus)

Dibble, Eric D.; Harrel, Sherry L.

doi:10.1080/02705060.2000.9663767

Cited by 5 publications

(5 citation statements)

References 23 publications

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“…vigilax has an inferior mouth that is adapted to feeding primarily off the bottom of the stream (Parker, ), whereas the terminal mouth of C . venusta is better adapted for feeding in the upper portion of the water column (Dibble & Harrel, ). In this study, species within this group fall along a gradient in morphospace based on their mouth position, suggesting different feeding preferences within the water column (Gatz, ).…”

Section: Discussionmentioning

confidence: 99%

“…These results imply that body shape of stream fishes cannot be predicted by stream depth. Although position in the water column was not tested in the study, other studies have shown that position in the water column is important in delineating resources within a fish assemblage (Dibble & Harrel, ) and could be partially dictated by body shape.…”

Section: Discussionmentioning

confidence: 99%

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Shaping up: a geometric morphometric approach to assemblage ecomorphology

Bower

Piller

2015

Journal of Fish Biology

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This study adopts an ecomorphological approach to test the utility of body shape as a predictor of niche relationships among a stream fish assemblage of the Tickfaw River (Lake Pontchartrain Basin) in southeastern Louisiana, U.S.A. To examine the potential influence of evolutionary constraints, analyses were performed with and without the influence of phylogeny. Fish assemblages were sampled throughout the year, and ecological data (habitat and tropic guild) and body shape (geometric morphometric) data were collected for each fish specimen. Multivariate analyses were performed to examine relationships and differences between body shape and ecological data. Results indicate that a relationship exists between body shape and trophic guild as well as flow regime, but no significant correlation between body shape and substratum was found. Body shape was a reliable indicator of position within assemblage niche space.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Shaping up: a geometric morphometric approach to assemblage ecomorphology

Bower

Piller

2015

Journal of Fish Biology

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“…1985; Suthers & Gee 1986; Chapman & Liem 1995), location and quality of food (Werner et al. 1981; Godin & Keeleyside 1984; Talbot & Kramer 1986), social dynamics of conspecifics (Dibble & Harrel 2000), and presence of predators (Werner et al. 1983; Power 1984; Power et al.…”

Section: Discussionmentioning

confidence: 99%

Habitat use by the African anabantid fish Ctenopoma muriei: implications for costs of air breathing

Randle

Chapman

2004

Ecology of Freshwater Fish

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“…Blacktail shiner is a water column omnivore (Baker & Foster 1994;Dibble & Harrel 2000), which we predicted would forage from the sediments, the water column and water surface when ISS was absent. Conversely, we predicted Blacktail shiner would expand its foraging to include ISS in mesocosms where this microhabitat was available (Ehlinger & Wilson 1988;Rohde 1991).…”

Section: Fish and Iss Effects On Som Chlorophyll A And Invertebratesmentioning

confidence: 93%

In‐stream structure alters density‐dependent fish effects in stream ecosystems

Gary

Hargrave

2016

Ecology of Freshwater Fish

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The independent effects of in-stream structure (ISS) and fish foraging on stream properties have been well documented, but few studies have explored the interactive effects of ISS and fishes on streams. Herein, we tested the independent and interactive effects of ISS and a generalist fish (Blacktail shiner, Cyprinella venusta) on suspended organic matter (SOM), benthic algae, invertebrate density and fish growth using experimental mesocosms. We found that Blacktail shiner foraging affected all of the ecosystem properties; however, in some cases, the fish effects differed between mesocosms with and without ISS. Specifically, mesocosms with ISS provided greater surface area for invertebrate colonisation and enhanced food resources for Blacktail shiner. As a result, benthic foraging by Blacktail shiner was reduced in these mesocosms. The reduced benthic foraging in turn enhanced benthic algae and benthic invertebrates via a bottom-up, nutrient excretion pathway. The ISS-dependent effects of fish on these stream properties, however, were only evident at low and intermediate fish densities (1 and 2 fishÁm À2 respectively). This was likely because at the highest fish density (4 fishÁm À2 ) intense fish foraging overrode any mediating effects of ISS. Furthermore, fish growth decreased with fish density because of intraspecific competition, but this negative effect on growth was reduced in mesocosms with ISS because of the increased forage base. However, the positive effect on fish growth was weak and only marginally significant. Our data suggest that fish-mediated effects on streams are context dependent, changing with microhabitat availability (e.g. ISS) and density of the fish population.

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Microhabitat Selection by Three Stream-Dwelling Cyprinids: Blacktail Shiner (Cyprinella venusta), Bluntface Shiner (C. camura), and Striped Shiner (Luxilus chrysocephalus)

Cited by 5 publications

References 23 publications

Shaping up: a geometric morphometric approach to assemblage ecomorphology

Shaping up: a geometric morphometric approach to assemblage ecomorphology

Habitat use by the African anabantid fish Ctenopoma muriei: implications for costs of air breathing

In‐stream structure alters density‐dependent fish effects in stream ecosystems

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