learn only 3 things about them ... They common on undisturbed
shores. Don't step on them! Only males have an enlarge pincer.
It is too big to use for feeding. Females have two small pincers
and thus can eat twice as fast. can change colours and species
cannot be identified by seen? Fiddler crabs are common on our
natural undisturbed shores, especially those near mangroves.
They are often found in large numbers. For those that bother to
look for them, fiddler crabs reward with their amusing
behaviour: frantically feeding, squabbling and courting, all at
the same time. Features: Body width 2-3cm. The male fiddler crab
has one huge pincer, often highlighted in a bright colour that
contrasts with his shell. The enlarged pincer may be as large
and as heavy as the rest of the crab's body! This enormous
pincer is not used to hunt or crush food. It is too small to
effectively fend off most predators. Instead, it is used to
attract females and to intimidate rival males. The male waves
his large pincer in a style and r