This sequence of images shows the side view and head down view of the capture response of the subtropical carnivorous copepod, Euchaeta rimana (2.4 mm), as recorded using high-speed film (J. Yen, D.M. Fields, M.H. Doall in collaboration with J.S. Strickler). At 0 msec, the maxillepeds (mxp) are tucked in against the body (the arm-like appendage is the mxp in the upper frame and the straight appendages in the lower panel are the paired antennules extending to either side of the body). At 6 msec, the mxp begin to extend with its setae flared (upper panel) and the 'elbows' bowed out. The paired maxillae are also seen to participate in this capture response. At 8 msec, the mxp are fully extended with setae fully flared (upper panel), reaching out far from its body (lower panel). At 16 msec, the show is nearly over with the mxp withdrawing closer to the body (upper panel) and being tucked in among the other cephalic appendages (lower panel). (Slides prepared by R. Foster).
