Peacock mantis shrimp—also called harlequin or painted ... s tail—and their hinged forearms which resemble that of a praying mantis and are kept tucked away until the moment of attack.

Mantis shrimp are called such because their two forearms resemble parts of a praying mantis. All mantis shrimp can broadly be grouped into two categories based on the nature of these limbs.

Mantis shrimp are truly spectacular predators of the marine world. Like a praying mantis, the mantis shrimp use a specialised pair of forelimbs to capture prey and are divided into the ‘spearers ...