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Freshwater Crayfish 5(1): 17-Dec (1983)


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Dimorphism in the British Crayfish Austropotamobius pallipes (Lereboullet)

Thomas WJ  e-mail link

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The size and form of the first two pairs of abdominal appendages in A. pallipes are obvious features distinguishing male from female. During development from hatchling stages to adults many more such distinguishing features appear. These include differences in setal armature, integumentary openings, pleopod propotions and gross body form. The life cycle of A. pallipes appears strictly rhythmic with periods of low and high dimorphism clearly linked with the reproductive behaviour.

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Thomas WJ. (1983). Dimorphism in the British Crayfish Austropotamobius pallipes (Lereboullet). Freshwater Crayfish 5(1):17-Dec. doi: 10.5869/fc.1983.v5.012



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