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Distribution, abundance, and diversity of stream fishes under variable environmental conditions
The effects of stream size and flow regime on spatial and temporal variability of stream fish distribution, abundance, and diversity patterns were investigated. Assemblage variability and species
Structure of the Helminth Assemblage of an Endemic Madtom Catfish (Noturus lachneri)
Department of Biolugical Sciences, Mississippi State University, Mississipli State, MS 39762 (RA& RBT CMT) United States Department of Agriculture Forest Service, Southern Research Station, 1000
The Ecological Significance of Helminth Endoparasites on the Physiological Performance of Two Sympatric Fishes
The results suggest that helminth endoparasite load may play an important role in the physiological performance of these sympatric fishes and offers a theoretical discussion of how parasite load may create opportunities for interaction and competition among individuals and species usually partitioned by physiologically based preferences in microhabitat utilization.
Helminth Parasites of Two Species of Lepomis (Osteichthyes: Centrarchidae) from an Urban Watershed and their Potential Use in Environmental Monitoring
Similar parasite communities in these sunfishes suggest that these species share similar microhabitats within the watershed, food resources and foraging sites and seasonal comparison between the number of summer and winter parasites indicate a greater mean number of parasites per host in summer.
Correlates of snail shell variation along a unidirectional freshwater gradient in Lithasia geniculata (Haldeman, 1840) (Caenogastropoda: Pleuroceridae) from the Duck River, Tennessee, USA
Shells were more globose, more robust, and more resistant to crushing forces downstream relative to upstream; these characteristics were correlated with river discharge and presence of molluscivorous fish, and were consistent with those observed in other snail species.
Predator Experience Affects Mating Behavior in Male Gambusia affinis
Under immediate predation threat naüve males performed more copulatory attempts than those with predator experience and tended to be smaller and attempted more chasing behaviors than predator-experienced males.
Fish Assemblage Structure Under Variable Environmental Conditions in the Ouachita Mountains
INTRODUCTION The Ouachita Mountains of Arkansas and Oklahoma contain a suite of river systems that ultimately drain into the Red and Arkansas River basins. The region supports a diverse fish fauna
Predation on the Toxic Red-Spotted Newt (Notophthalmus viridescens viridescens) by Lepomis macrochirus (Bluegill) and L. auritus (Redbreast Sunfish) within an Urban Watershed
The occurrence of the Red-spotted Newt in the stomach contents of Lepomis macrochirus (Bluegill) and L. auritus (Redbreast Sunfish) within an urban watershed in Columbus, GA is documented.