Fiddler crabs are small, their carapaces, or shells, rarely over two inches in diameter. Only the male fiddler bears an oversized cheleped, or claw-bearing limb, which it waves to attract mates and defend turf.
Fiddler crabs are small, their carapaces, or shells, rarely over two inches in diameter. Only the male fiddler bears an oversized cheleped, or claw-bearing limb, which it waves to attract mates and defend turf.