Their prized weapon is their enlarged major claw, which grows on either the left or right side. Asymmetric weapons are common in bilateral animals and, in some species, they can occur on either the left- or the right-hand side of the body (lateralization). The selection from fights might have biased handedness distribution in a subgenus. In animal communication it is generally true that the signals animals use convey accurate and... FIGHTING NEIGHBOURS AND STRANGERS.
The predominant handedness is favoured by fiddler crab fights. Claws Out: Fiddler Crabs Do Battle Male fiddler crabs each have a single super-sized claw that they use as a weapon to threaten and fight other males and as beautiful adornment to attract females. We am particularly interested in the process of mate selection. FIDDLER CRABS THE MATE CHOICE PROCESS. Male fiddler crabs (Uca lactea) fight aggressively over territory and burrows. Here, see a video of two male dancing fiddler crabs ( Uca terpsichores ) battle for territory.
In many animal species it has... DISHONEST SIGNALLING.
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