Factors influencing the production of turbidity by goldfish (Carassius auratus)

Author:

Richardson Michael J.,Whoriskey Frederick G.

Abstract

Experiments were conducted to determine the effect of body size, population size and structure, and temperature upon the level of turbidity generation by goldfish foraging in laboratory pools. Water temperature correlated with turbidity generation, which peaked at 25 °C but declined at 30 °C. Goldfish exhibited diurnal activity at all temperatures except 25 °C, where nocturnal behaviour predominated. Both body length and population size positively influenced turbidity production. Groups of a few large fish produced significantly more turbidity than groups of many small fish of equal biomass. Biomass was therefore a poor predictor of the level of turbidity, making it difficult to predict the impact of goldfish upon multispecific pond communities following successful colonization.

Publisher

Canadian Science Publishing

Subject

Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics

Cited by 22 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. References;Wetlands for Water Pollution Control;2024

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3. Risk of invasiveness of non-native fishes can dramatically increase in a changing climate: The case of a tropical caldera lake of conservation value (Lake Taal, Philippines);Journal of Vertebrate Biology;2023-06-13

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5. References;Wetlands for Water Pollution Control;2016

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