<%@LANGUAGE="JAVASCRIPT" CODEPAGE="1252"%> 2005Design1
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GENERATION OF FEEDING CURRENT The question is: How can a calanoid copepod generate a feeding current?
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The answer is that the animal flaps its mouth parts like a butterfly flaps its wings. Observe how some parts move opposite to each other, just like the wings of the butterfly
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This animated GIF file has been created using a movie made 1981 at the Australian Institute of Marine Science. The movie was transcribed onto video tape and 32 frames were captured from the video to make up the animated GIF. Originally, we took the movie at 500 frames per second, here you see each frame for 1/10 sec
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The animal was tethered. The width of above picture is one millimeter. The copepod is from the Coral Sea and is a female Eucalanus pileatus. Ms. Eleanor Hing Fay and Mr. Paul Dixon helped in obtaining the original movie
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Strickler, J.R. 1984. Sticky water: a selective force in copepod evolution. In: D.G. Meyers and J.R. Strickler [Eds.], Trophic Interactions within Aquatic Ecosystems, Westview Press, 187-239
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Back to Copepod Central
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© STRICKLER, UWM 2005 back to Strickler Central