The smashers are all members of Gonodactylidac and others species which generally their prey on armored animal such as crabs, snails, bivalves and even their species. Size is not an issue to the smasher for example, Gonodactylids stun and crush hard-shield crabs equal to or larger than themselves (Caldwell, 1975). Capabilities of the smashers are also known to kill another member of their species with a single blow. The smasher actually are opposite of the spearers because the smasher species are mobile foragers for hunting the prey. It prefer seek out prey, rather stay in their home but it also have a strategy same goes with the spearers for the production of more force and larger acceleration (Anderson et al 2014). Even the smasher have
