Fig. 1. Wake following paths of (A) intact and (B) taste-ablated catfish. C, catfish; G, guppy. Numbers mark track points at similar times (e.g. at the time the catfish was in position C3 the guppy was at G3). Time points were: (1) 24.1 s prior to attack in A and 30.2 s in B, (2) 18 s, (3) 12 s, (4) 7 s in A and B. Distances between predator and prey at these different times in A were 17 cm (time 1), 29 cm (time 2), 21 cm (time 3), 9 cm (time 4); in B, 13 cm (time 1), 22 cm (time 2), 9 cm (time 3), 5 cm (time 4). Note that the ablated catfish, while already in its proximity, follows the prey for a longer distance before attacking (time 3, time 4).