The role of claw colouration in fiddler crabs' mate choice: Private communication channel or handicap?
D. J. A. Silva, M. F. Erickson, R. d. S. Guidi, D. M. A. Pessoa
This study investigates whether claw coloration in fiddler crabs functions as a private communication channel or a handicap, finding that UV-reflecting claws are preferred by females but also highly detectable by predators.
bioRxiv · Feb 6, 2021Animal Behavior & Cognition