The mantis shrimp comes equipped with its own weapons. It has claws that look like permanently clenched fists that are known as dactyl clubs. But when it smashes the shells of its prey, these fists ...

You probably wouldn’t want to step into a boxing ring with a mantis shrimp. Don’t let their small size fool you – these colourful crustaceans are among the mightiest fighters of the marine world.

Armed with a spring-loaded club and a devastating ‘double whammy’ strike, this shrimp is one of evolution’s strangest predators. The ocean is full of animals that seem to violate common sense. Fish ...