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About the Cover
Cover:
The African air-breathing catfish Clarias gariepinus can grow up to 1.5·m in total length and typically captures prey by generating suction. The frame sequence below shows a catfish capturing a piece of fish. In their articles on p. 2091 and 2103, Herrel, Van Wassenbergh, Wouters, Adriaens and Aerts analyse the dynamics and biomechanical constraints of suction feeding in relation to body size using a three-dimensional, mathematical model in which the catfish's head is represented by a series of expanding hollow elliptical cylinders (top image).
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