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Full Description
The potential consequences of a predator-prey predators tend to do that increase or maximize prey interaction are probably more serious, especially capture and that prey tend to do to avoid being for the prey, than are the consequences of most captured? The second theme emphasized the eco competitive or parasite-host interactions. For this logical approach to predator-prey interactions. reason, the adaptations and tactics that prey show What are the environmental constraints that in to the foraging manoeuvers of their predators, and fluence the evolution of structures and behaviors the counteradaptations of their predators, are often involved in predation and its avoidance? How do pronounced and even spectacular. Predation may in these factors combine to produce particular ,fssem fact be a critical determinant of both the behavior blages of predators and prey with common adapta of individuals and of the functional and taxonomic tions? The 18 papers presented at the symposium, composition of fish assemblages. This possibility and the ones published in these proceedings, re was a major factor leading to the organization of present the varied approaches that researchers have the Behavioral Tactics symposium. The obvious taken in addressing these questions. necessity of feeding, the wealth of information Several topics were common to many presenta available on food and energy budgets of animals tions: four of these in particular deserve at least both in the laboratory and field, and the approach brief mention.
Contents
Predators and Prey in Fishes.- Predators and Prey in Fishes.- Behavioral Tactics of Predators and Prey.- Preface.- Wave produced changes in underwater light and their relations to vision.- Visual pigment mixtures and scotopic spectral sensitivity in rainbow trout.- The 'lie-in-wait' feeding mode of a cryptic teleost, Synanceia verrucosa.- A model of size dependent surface feeding in a stream dwelling salmonid.- Predator-prey relationships in surfperches.- Fish Ethology.- Preface.- The benefits of being gold: behavioral consequences of polychromatism in the midas cichlid, Cichlasoma citrinellum.- Diel colour changes in the neon tetra Paracheirodon innesi.- Behavioral variation in pelvic phenotypes of brook stickleback, Culaea inconstans, in response to predation by northern pike, Esox lucius.- Interspecific aggression and dominance in Gasterosteus.- Habitat selection in three species of darters.- An experimental study of foraging site selection in young-of-the-year yellow perch, Perca flavescens.- Breeding behavior and early life history of the waccamaw killifish, Fundulus waccamensis.- Parental egg care behavior and fanning activity for the orange chromide, Etroplus maculatus.- Measurements of reproductive effort from successive reproductive cycles for the Asian cichlid Etroplus maculatus.- Variation in foraging tactics of fishes.- Energetic factors influencing foraging tactics of juvenile steelhead trout, Salmo gairdneri.- The predatory tactics of Caranx melampygus and the response of its prey.- Predator-avoidance behaviours of sand-eel schools: why schools seldom split.- The mating call of the plainfin midshipman fish, Porichthys notatus.- Effects of monochloramine on courtship and spawning in the cichlid fish Etroplus maculatus.- Jack A. Ward, 1935-1982, andthe chromides.
