(Phys.org)—A trio of researchers with Anglia Ruskin University in the U.K. and the Australian National University has found that the male fiddler crab uses its oversized claw to get the attention of a prospective mate and ...
Crabs that invade smaller crab species' habitat overpower and evict incumbents from their burrows, but the two species ultimately co-exist and join forces against other invading crabs in a game of thrones once they establish ...
Plants & Animals
Jan 25, 2017
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New research has resolved a mystery over why female fiddler crabs visit and leave many males during mating season, and found the females aren't just being picky.
Plants & Animals
Aug 30, 2016
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While male banana fiddler crabs (Uca mjoebergi) in Australia typically court females, some may coerce mating by waiting for females to enter their burrows and then trapping them there, according a study published June 15, ...
Plants & Animals
Jun 15, 2016
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The vibrations and pulses that male fiddler crabs produce when they are trying to lure females into their burrows to mate are surprisingly informative. These signals serve as a type of "Morse code" that the females decipher ...
Plants & Animals
May 31, 2016
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Male fiddler crabs bluff their way through fights. They also adapt their combat strategies if they have lost their original enlarged claw and have regrown a more fragile, weaker one. These are some of the findings of wildlife ...
Plants & Animals
Apr 5, 2016
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Fiddler crabs use polarization vision to sense the approach of rivals, scientists at the University of Bristol have found. The research, carried out in Panama, is the first field-based evidence that animals use polarization ...
Plants & Animals
Nov 20, 2015
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A new form of secret light communication used by marine animals has been discovered by researchers from the Queensland Brain Institute at The University of Queensland.
Plants & Animals
Nov 19, 2015
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David Johnson was standing in a salt marsh on the northern Massachusetts coast when he saw a fiddler crab, Uca pugnax, nearly 50 miles north of its supposed natural range. The migration north of this charismatic crab with ...
Ecology
Nov 24, 2014
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Male fiddler crabs tread an evolutionary fine line between growing an enlarged claw better for signalling to females or one better for fighting finds research in BioMed Central's open access journal BMC Evolutionary Biology. ...
Plants & Animals
Jul 16, 2013
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