![]() In Superb condition with no functional defects. The Model is: Miqus (marker tracking), Brand: Qualisys,Custom Bundle: Yes, Type: 3 - M1 (model) 3 - M3 (model) 1 - Miqus Video. ![]() Our results indicate that, for juvenile fishes, prey-specific morphological and behavioral differences can have significant effects on the outcome of predator-prey interactions and that size-based predation components are best represented as continuous functions of relative fish size.Up for your consideration is a Qualysis motion capture system, working in excellent condition, Comparisons resulted in good agreement between expected and observed sizes in bluefish diets, illustrating the importance of capture success in determining piscivore diets. ![]() Capture success functions were combined with field length distributions to generate expected frequency distributions of length ratios included in bluefish diets. Profitability curves were dome shaped for each prey species however, profitability values and the location of dome peaks differed between prey species. Prey vulnerability, measured as bluefish predation rate, declined exponentially with increasing length ratios for each prey species. ![]() ![]() However, bluefish capture success was lower and handling times increased at a faster rate when feeding on juvenile striped bass compared with Atlantic silverside. For each prey species, bluefish capture success declined linearly and handling time increased exponentially with increasing length ratios between 0.20 and 0.65. Capture success, handling time, prey vulnerability, and prey profitability were examined as a function of prey length/predator length ratio for age-0 juvenile bluefish (Pomatomus saltatrix) feeding on juvenile striped bass (Morone saxatilis) and Atlantic silverside (Menidia menidia). ![]()
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