Food Habits and Feeding Rhythm of the Early Juvenile Chinese Mitten Crab (Eriocheir sinensis) in Experimental Tanks

Gang Jin Donghu Experimental Station of Lake Exosystems State Key Laboratory for Freshwater Ecology and Biotechnology of China, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan, 430072, P. R. China

Ping Xie Donghu Experimental Station of Lake Exosystems State Key Laboratory for Freshwater Ecology and Biotechnology of China, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan, 430072, P. R. China

Zhongjie Li Donghu Experimental Station of Lake Exosystems State Key Laboratory for Freshwater Ecology and Biotechnology of China, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan, 430072, P. R. China

Ren Kuwabara Laboratory of Aquatic Resources, Tokyo University of Agriculture, Abashiri, Hokkaido, 099-24, Japan

ABSTRACT

Gastric mills were examined from 98 early juvenile Chinese mitten crabs (Eriocheir sinensis) from experimental tanks. Recognizable food items were macrophytes, algae, oligochaetes, and detritus; their percent frequencies of occurrence were 94.6%, 86.5%, 10.7%, and 18.3%, respectively. The crabs had a diel feeding rhythm.

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Food Habits and Feeding Rhythm of the Early Juvenile Chinese Mitten Crab (Eriocheir sinensis) in Experimental Tanks

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Food Habits and Feeding Rhythm of the Early Juvenile Chinese Mitten Crab (Eriocheir sinensis) in Experimental Tanks

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