Contact: Hans Lord
University of Gothenburg
Caption: These are photographs of five water fleas, females of Daphnia cristata, caught in August in five different lakes in the Örekilsälven river basin in the Munkedal district. In the pictures we can see examples of different sizes and styles of cap. It is particularly interesting that the fetuses in water fleas a and d have the same-shaped caps as their mothers.
Credit: University of Gothenburg
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