Fiddler Crab Wave

Fiddler crab wave Nat geo wild 15 032 views 1 17 language.

Fiddler crab wave. In the fiddler crab uca annulipes males attract receptive females into their burrows by waving their greatly enlarged major claw. She reported that small groups of 5 7 neighboring male uca annulipes now called austruca occidentalis moved their bodies and waved their claws with a remarkable degree of synchrony. Male fiddler crabs use the major claw to perform a waving display as a form of female courtship. Male fiddler crabs are lopsided.

Females choose their mate based on claw size and also quality of the waving display. In uca annulipes females preferentially visit males that wave at a faster rate waves per min and produce more leading waves 16 17 implying that wave rate and wave leadership are targets of female choice. Different species have different patterns of claw waving 1 2 helping females to find conspecific males 3. Http oasishd ca male fiddler crabs wave as fast as they can to attract potential mates.

Eriwyn 86 224 views 0 36 bigger is better brazil duration. Scientists in australia use robotic crab claws to explore the attributes female fiddler crabs look for in a mate. For more information vi. Females have two claws of about the same size.

A clip from wildest islands on oasis hd. In fiddler crabs genus uca males attract females by waving their one greatly enlarged claw in a conspicuous courtship display.