Figure 1

Schematic diagram of the stereo video camera system used for remotely monitoring shark behaviour and playback of sound. A: waterproof floating container for battery, power amplifier and MP3 player; B: surface buoy; C: anchoring chain to seabed; D: GoPro Hero3 video cameras; E: underwater speaker in protective plastic cage; F: bait bag, G: weights. Not to scale. Shark 3D model designed by KangarooOz 3D and used with permission from CGTrader.