The relationship between trophic level and body size in fishes depends on functional traits

FW Keppeler, CG Montaña… - Ecological …, 2020‏ - Wiley Online Library
Predators typically are larger than their prey, and consequently, trophic level should
increase with body size. Whereas this relationship has helped in develo** predictions …

Pulsing hydrology determines top‐down control of basal resources in a tropical river–floodplain ecosystem

KO Winemiller, CG MONTAna, DL Roelke… - Ecological …, 2014‏ - Wiley Online Library
Variable hydrology of rivers strongly affects biophysical factors that influence primary
production and population densities, thereby affecting the relative influence of bottom‐up …

Evolutionary convergence in Neotropical cichlids and Nearctic centrarchids: evidence from morphology, diet, and stable isotope analysis

CG Montaña, KO Winemiller - Biological Journal of the Linnean …, 2013‏ - academic.oup.com
Despite divergent evolutionary histories, Neotropical cichlids (Cichlidae) and Nearctic
sunfishes (Centrarchidae) appear to have similar functional morphotypes and occupy similar …

Intercontinental comparison of fish ecomorphology: null model tests of community assembly at the patch scale in rivers

CG Montaña, KO Winemiller… - Ecological Monographs, 2014‏ - Wiley Online Library
Community assembly is affected by environmental filtering that restricts viable phenotypes
and by species interactions that impose limits on interspecific trait similarity. Relative …

Phenotypic and behavioral variation as a mechanism behind the invasive potential of a predatory neotropical fish

MRC Gaspar, AA Agostinho, PA Catelani, R Fernandes… - Hydrobiologia, 2024‏ - Springer
Modern biological invasions represent a major facet of the Anthropocene, yet the invasive
potential of species remains poorly understood. In this context, this study compared …

Body size–trophic position relationships among fishes of the lower Mekong basin

C Ou, CG Montaña… - Royal Society open …, 2017‏ - royalsocietypublishing.org
Body size is frequently claimed to be a major determinant of animal trophic interactions, yet
few studies have explored relationships between body size and trophic interactions in rivers …

Cichla cataractae (Cichliformes: Cichlidae), new species of peacock bass from the Essequibo Basin, Guyana and Venezuela

MH Sabaj, H López-Fernández, SC Willis… - Proceedings of the …, 2020‏ - BioOne
A new species of peacock bass, Cichla cataractae, is distinguished from all congeners by
molecular evidence and unique patterns of adult and juvenile pigmentation. Juveniles (< …

Size-related and seasonal changes in the diet of the non-native Cichla kelberi Kullander & Ferreira, 2006 in a lowland reservoir in the southeastern Brazil

HS Mendonça, ACA Santos, MM Martins… - Biota Neotropica, 2018‏ - SciELO Brasil
We examined size-related and seasonal changes in the diet of the peacock bass Cichla
kelberi in a tropical lowland reservoir in southeastern Brazil over three hydro-climatic …

Fish assemblages of an African river floodplain: a test of alternative models of community structure

AT Jackson, A Adite, KA Roach… - Ecology of Freshwater …, 2013‏ - Wiley Online Library
Abstract In the Oueme River, a lowland river in Benin, Africa, artificial ponds constructed in
the floodplain (whedos) are colonised during the high‐water period by a presumably …

[PDF][PDF] Feeding strategy of fish that colonize reservoirs in the Magdalena river basin

D Restrepo-Santamaría, AF Navia… - Universitas …, 2022‏ - researchgate.net
The construction of dams for hydropower in the Andean rivers of Colombia is leading to a
loss of regional fish species. Fish species that persist in these artificial ecosystems are those …