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This crab is a predator, and feeds on invertebrates such as other crabs, as well as oysters and snails. It has a specially adapted right pincer which it uses to break open snail's shells. There is a large accessory tooth located at the base of the hinged part of the claw located opposite a flat plate
251:(pincers) in front of its face and retracts its walking legs, forming a compact, well-armoured box-like structure; this defensive stance makes it appear to be embarrassed, and has led to its receiving the name, "shame-faced crab".
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on the fixed part, and it uses these as a vice. After breaking open the shell, it uses its left pincer, which is sharper and longer than the right one, and better at picking out the soft tissues. When it is disturbed, it folds its
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is a large crab, and has a yellow and red colouration. The length of carapace is approximately .65 times the width, with a tuberculated surface. Seven sharp teeth are located around the margins of each clypeiform expansion.
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373:"A new species and new records of deep‐water Calappidae (Crustacea: Decapoda) from the Indian Ocean with a key to the
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377:Desmarest, 1823 species of the region"
352:. Marine Species Identification Portal
226:This species was first discovered in
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629:Taxa named by Arnold Edward Ortmann
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619:Crustaceans of the Pacific Ocean
320:World Register of Marine Species
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614:Crustaceans of the Indian Ocean
278:"The Japanese Shame-Faced Crab"
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624:Crustaceans described in 1892
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382:Journal of Natural History
395:10.1080/00222930701770786
286:Western Australian Museum
195:, is a marine species of
193:Japanese shame-faced crab
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41:Scientific classification
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222:Distribution and habitat
568:Paleobiology Database
389:(45–48): 2851–2890.
306:Peter Davie (2012).
191:, also known as the
242:Behaviour and diet
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555:Open Tree of Life
419:Taxon identifiers
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114:Infraorder:
88:Malacostraca
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609:Calappoidea
503:iNaturalist
210:Description
108:Pleocyemata
603:Categories
255:References
204:Calappidae
128:Calappidae
104:Suborder:
78:Arthropoda
228:Tokyo Bay
146:Species:
118:Brachyura
64:Kingdom:
58:Eukaryota
521:11078606
442:Q5018553
436:Wikidata
403:85320957
197:box crab
124:Family:
98:Decapoda
74:Phylum:
68:Animalia
54:Domain:
560:2977772
534:1603437
495:5730500
356:June 7,
325:May 27,
291:June 7,
236:Red Sea
199:in the
177:Ortmann
139:Calappa
134:Genus:
94:Order:
84:Class:
586:209495
573:275274
547:209495
508:418125
469:715361
401:
375:Mursia
249:chelae
201:family
179:, 1892
581:WoRMS
516:IRMNG
399:S2CID
316:WoRMS
232:Japan
542:OBIS
529:NCBI
490:GBIF
482:PFRG
464:BOLD
358:2012
327:2012
293:2012
477:CoL
451:AFD
391:doi
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