Physiological and social constraints on growth of fish with special reference to Arctic charr, Salvelinus alpinus L.

摘要: Physiological studies of growth in animals predict that rates should decrease with increasing size, but when Arctic charr, Salvelinus alpinus, were reared together large groups there was often a positive correlation between initial body size and the rate an individual fish. This suggested social interactions important determinants and, absence establishment direct linear hierarchies, it is suppression result short-term bouts aggression associated feeding periods leading to reduced food intake by certain Evidence presented show can be frequency feeding.