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Hyastenus sp

(White, 1847)

Decorator crab      

Artur Palau (2014)                                                                                                            



Fact Sheet



Physical Description


Life History & Behaviour

Evolution & Systematics

Biogeographic Distribution

Conservation & Threats

References & Links

References & Links



De’ath, G. and Fabricius, K. (2010). Water quality as a regional driver of coral biodiversity and macroalgae on the Great Barrier Reef. Ecol Appl 20:840–850

Harvell, C. D., Jordan-Dahlgren, E., Merkel, S., Rosenberg, E., Raymundo, L., Smith, G., Weil, E., Willis, B. L. (2007) Coral disease, environmental drivers, and the balance between coral and microbial associates. Oceanography 20:172–195

IUCN 2013, 'IUCN Red List of Threatened Species Version 2013.2', viewed 02 June 2014 <>.

Jackson, J. B. C., Kirby, M. X., Berger, W.H., Bjorndal, K.A., Botsford, L.W., Bourque, B.J., Bradbury, R. H., Cooke, R., Erlandson, J., Estes, J.A., Hughes, T.P., Kidwell, S., Lange, C. B., Lenihan, H. S., Pandolfi, J. M., Peterson, C. H., Steneck, R. S., Tegner, M. J., Warner, R. R. (2001). Historical overfishing and the recent collapse of coastal ecosystems. Science 293:629–638

Kilar, J., Lou, R. (1986). The subtleties of camouflage and dietary preference of the decorator crab, Microphrys bicornutus Latreille (Decapoda: Brachyura). J. exp. mar. Biol. Ecol. 101: 143-160

Ng, P. K. L., Guinot, D., Davie, P. J. F. (2008). Systema Brachyurorum: Part I. An annotated checklist of extant brachyuran crabs of the world. Raffles Bulletin of Zoology 17: 1-286.

Stachowicz, J. J. and Hay, M. E. (1999). Reducing predation through chemically-mediated camouflage: indirect effects of plant defenses on herbivores. Ecology, 80: 495–509.

Stachowicz, J. J., Hay, M. E. (2000). Geographic variation in camouflage specialization by a decorator crab. Am. Naturalist, 156: 59-71.     

Sato, M. and Wada, K., (2000). Resource utilization for decorating in three intertidal majid crabs (Brachyura: Majidae). Mar. Biol. 137: 705–714.

 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. Assoc. UK, 83: 1235–1237.

Veron J. E. N., Hoegh-Guldberg, O., Lenton, T. M., Lough J. M., Obura, D. O., Pearce-Kelly, P., Sheppard C. R. C., Spalding M., Stafford-Smith M. G., Rogers A. D. (2009). The coral reef crisis: The critical importance of 350 ppm CO2. Mar Pollut Bull 58:1428–1436

 Wicksten, K. M., A review and a model of decorating behaviour in spider crabs (Decapoda, Brachyura, Majidae). Crustaceana, 1993,64, 314–325.

 Woods, C. M. C. and McLay, C. L. (1994). Use of camouflage materials as food store by the spider crab Notomithrax ursus (Brachyura: Majidae). New Zealand Journ. mar. freshw. Res. 28: 97-104.


Links (World Register of Marine Species)