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Decorating behaviour by the majid crab Tiarinia cornigera as protection against predators
Thanh, P.D.; Wada, K.; Sato, M.; Shirayama, Y. (2003). Decorating behaviour by the majid crab Tiarinia cornigera as protection against predators. J. Mar. Biol. Ass. U.K. 83(6): 1235-1237. hdl.handle.net/10.1017/S0025315403008580
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keywords
    Fish; Predation; Majidae Samouelle, 1819 [WoRMS]; Marine

Authors  Top 
  • Thanh, P.D.
  • Wada, K.
  • Sato, M.
  • Shirayama, Y.

Abstract
    Although decorating behaviour is widely reported as a predator avoidance strategy among marine crabs, few studies have provided experimental evidence for this. Significance of decorating behaviour of the majid crab Tiarinia cornigera as antipredator response was examined by the field tethering and laboratory experiments. Survival of decorated crabs was significantly higher than that of non-decorated crabs after two days in an intertidal rock pool. In a laboratory experiment, crabs used more algae for decoration in the presence of predators (puffer fish) than when predators were absent. These data demonstrate that T. cornigera decorates with algae in response to predators to reduce predation pressure.

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