The question might presume a fact not in evidence: fiddler crabs are not chordates (phylum chordata, with internal skeletons) but instead are phylum arthropoda, characterized by segmented bodies, an exoskeleton made from chitin, and joint appendages.
The scientific name for the fiddler crab is "Uca Pugnax".
Fiddler Crab
no
A calling crab is another name for a fiddler crab, a genus of crab in which the male has an enlarged paw.
A Fiddler Crab is a marine detritivore
A Boy Fiddler Crab has 1 big claw and 1 small. A Girl Fiddler Crab has 2 small claws.
they bolong in the crab group like fiddler crab group
yes,but only for protection of his eggs
You can tell a fiddler crab's gender by its claws. A female fiddler crab has two claws, the same size. A male fiddler crab has one large claw and one small claw.
There many species of this small crab, living in colonies on mudflats and tidal beaches and marshes. So called fiddler crab because the males have on claw greatly exagerrated in size, resembling a violin player holding his violin up.
yes
crab