// Workers AI · dad joke modeWhat did the Corystes say? Crabby.
| Corystes cassivelaunus | |
|---|---|
 | |
| A male C. cassivelaunus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Corystidae |
| Genus: | Corystes Bosc, 1802 |
| Species: | C. cassivelaunus |
| Binomial name | |
| Corystes cassivelaunus (Pennant, 1777) | |
| Synonyms | |
Corystes cassivelaunus, the masked crab, helmet crab or sand crab,[1] is a burrowing crab of the North Atlantic and North Sea from Portugal to Norway, which also occurs in the Mediterranean Sea.[2] It may grow up to 4 centimetres or 1.6 inches long (carapace length).[1] The name "masked crab" derives from the patterns on the carapace which resemble a human face (a case of pareidolia), in a similar manner to heikegani.[3] It is the only species in the genus Corystes.[4]
C. cassivelaunus lives buried in sandy substrates, where it feeds on the infaunal invertebrates such as polychaete worms and bivalve molluscs.[1] It uses its two antennae to form a breathing tube that allows oxygenated water down into the substrate.[5][6] The chelipeds of males are much longer than the body, while those of females are only about as long as the carapace.[7]
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References
[edit]- 1 2 3 "Masked crab (Corystes cassivelaunus)". ARKive.org. Archived from the original on 2004-12-26. Retrieved November 14, 2006.
- ↑ "Crabs of the Southern North Sea". Department Zeevisserij (Sea Fisheries Department). October 8, 2001. Archived from the original on December 18, 2007.
- ↑ Webster's Revised Unabridged Dictionary (1913). masked crab. Archived from the original on 2011-07-14. Retrieved 2006-11-14.
- ↑ Peter Davie & Michael Türkay (2011). "Corystes Bosc, 1802". WoRMS. World Register of Marine Species. Retrieved June 7, 2012.
- ↑ "Helmkrab" (in Dutch). Waddenzee.nl. Retrieved January 9, 2010.
- ↑ "Masked crab, Corystes cassivelaunus". Sefton Coast.
- ↑ M. J. De Kluijver. & S. S. Ingalsuo. "Corystes cassivelaunus". Macrobenthos of the North Sea: Crustacea. Universiteit van Amsterdam. Archived from the original on 2011-07-17. Retrieved January 9, 2010.
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