The movement is so rapid it creates an audible pop above the water and produces bubbles.
Males of the species Dulichiella cf. appendiculata are only tiny, roughly the size of a sunflower seed, but 30 per cent of their body weight comes from its one huge claw.
The engorged claw shuts in just 93 microseconds, moving at around 38 mph. Human eyes take about 150 milliseconds to complete the process of blinking.
Males of the species Dulichiella cf. appendiculata are only tiny, less than a centimeter long, but 30 per cent of their body weight comes from one huge claw. (pictured bottom right of image, the large claw)