10 Facts about Fiddler Crabs

If you want to know the complete information about a calling crab, look at Facts about Fiddler Crabs. This crab is included in genus Uca that consists of at least 100 species. Ghost crabs have closer relation with fiddler crabs. The largest crabs found in the group have the length more than 2 inches. You may spot the presence of fiddler crabs along the beaches. They also live in the swamps, lagoons and mud flats. Get other unique facts about fiddler crabs below:

Facts about Fiddler Crabs 1: the claws

The claws of male and female have different sizes. The same size of claws is spotted on the female fiddler crabs. On other hand, the minor claw of male fiddler crabs is smaller than the major claw.

Facts about Fiddler Crabs 2: shedding

As fiddler crabs are growing, the shells will be shed just like the other crabs.

Facts about Fiddler Crabs 3: molting

When fiddler crabs molt, the lost claws or legs will be replaced with new ones. The male fiddler crab will have a new one if it loses the large fiddle claw.

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Facts about Fiddler Crabs 4: the soft shells

The shells of fiddler crabs are soft after molting, which make them vulnerable to threat. They will wait until the new shell is strong.

Facts about Fiddler Crabs 5: the color

During the dark hours, fiddler crabs have light color. During the day, they look darker.

Facts about Fiddler Crabs 6: habitat and distribution

Fiddler crabs can be found in many parts of the world. They live in the muddy and sandy beaches. You can also spot them in salt marshes. They are distributed in Indo Pacific, Easter Pacific, Western Atlantic and West Africa.

Facts about Fiddler Crabs 7: how to recognize them

If you think that it is hard to recognize fiddler crabs, you are wrong. The crabs are unique due to their asymmetric claws.

Facts about Fiddler Crabs 8: communication

The gestures and waves are the two primary ways used by fiddler crabs to communicate.

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Facts about Fiddler Crabs 9: life span

Fiddler crabs may live up to three years if they are in captivity. If they live in the wild, their life span is only two years.

Facts about Fiddler Crabs 10: a waving display

The sign of female courtship is conducted by the male fiddler crabs by waving display using the major claw.

Are you impressed after reading facts about fiddler crabs?