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Hunting strategies will differ based on their habitat. On rocky shores they will hunt more often than they forage, and under the cover of night, whilst in intertidal pools they will focus more on herbivory even during daytime hours. Intraspecies conflicts occur more out of defense in close captivity
305:, and sometimes even each other when the lesser crab has just finished molting. They have preference to small mussels over larger mussels over seaweed. Although there will be aggressive intraspecies competition over food, they do not keep a standard territory to defend. Generally they are eaten by
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with green stripes. Its carapace is square and can reach 4 to 5 cm in size. The claws are red/purple with a mottled and striped pattern on the upper surface, and whitish-grayish on the lower surface, while its legs are purple and green with a similar mottled appearance.
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It will spend over half of its time on land. It will purposely submerge to wet its gills but can sustain itself on land for up to ~70 hours. They enjoy hiding in small crevices within rock, but will emerge at night when there is less danger of predation. This
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out of water, whilst in water it occurs more out of aggression. Over time a social hierarchy for the species within its habitat will form.
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Bryan J. Cassone; Elizabeth G. Boulding (2006). "Genetic structure and phylogeography of the lined shore crab,
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is isolated with a divergence time from the eastern
Pacific population estimated between 0.8 and 1.2 Mya.
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Lord, Joshua (April 2017). "Juvenile mussel and abalone predation by the lined shore crab
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found on both rocky and hard-mud soft seashores of the northeastern and northwestern
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Bovbjerg, Richard V. (October 1960). "Behavioral ecology of the crab,
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Typically, this crab will have a brown/purple or black
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448:"Pachygrapsus crassipes (striped shore crab)"
8:
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414:"Rocky Shores | Cabrillo Marine Aquarium"
834:Crustaceans of the eastern Pacific Ocean
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383:"eNature: FieldGuides: Species Detail"
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801:45396B7C-95C7-4539-B02C-4BD11E49DF7C
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829:Crustaceans of the Pacific Ocean
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844:Taxa named by John Witt Randall
418:www.cabrillomarineaquarium.org
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839:Crustaceans described in 1840
480:Journal of Shellfish Research
281:, small decaying organisms,
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369:10.1007/s00227-005-0197-9
209:Ensenada, Baja California
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41:Scientific classification
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255:opportunistic predator's
592:Pachygrapsus crassipes
562:Pachygrapsus crassipes
514:Pachygrapsus crassipes
476:Pachygrapsus crassipes
351:Pachygrapsus crassipes
188:Pachygrapsus crassipes
170:Pachygrapsus crassipes
25:Pachygrapsus crassipes
492:10.2983/035.036.0122
452:Animal Diversity Web
193:striped shore crab
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744:Open Tree of Life
554:Taxon identifiers
257:diet consists of
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152:P. crassipes
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385:. Archived from
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221:Vancouver Island
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16:Species of crab
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524:(4): 668–672.
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389:on May 5, 2008
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455:. Retrieved
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421:. Retrieved
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391:. Retrieved
387:the original
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295:hermit crabs
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139:Pachygrapsus
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114:Infraorder:
88:Malacostraca
24:
18:
770:SeaLifeBase
666:iNaturalist
586:Wikispecies
259:green algae
235:Description
108:Pleocyemata
824:Grapsoidea
818:Categories
457:2019-05-29
423:2019-05-29
333:References
104:Suborder:
78:Arthropoda
393:August 9,
311:octopuses
263:red algae
146:Species:
128:Grapsidae
118:Brachyura
64:Kingdom:
58:Eukaryota
684:10604724
645:46511225
614:BugGuide
577:Q1058143
571:Wikidata
319:raccoons
307:seagulls
248:Behavior
241:carapace
217:Bamfield
124:Family:
98:Decapoda
74:Phylum:
68:Animalia
54:Domain:
796:ZooBank
749:1027196
658:2225812
538:1931799
518:Ecology
303:isopods
299:seaweed
283:limpets
279:mussels
271:diatoms
177:Randall
134:Genus:
94:Order:
84:Class:
788:395016
736:395016
723:564491
710:307936
619:523430
606:576218
536:
323:humans
321:, and
287:snails
213:Mexico
191:, the
179:, 1840
783:WoRMS
775:27204
757:Plazi
697:99048
679:IRMNG
671:47188
632:4BSBZ
534:JSTOR
291:flies
275:worms
229:Japan
225:Korea
731:OBIS
705:NCBI
692:ITIS
653:GBIF
601:BOLD
395:2008
315:rats
227:and
201:crab
640:EoL
627:CoL
526:doi
516:".
488:doi
478:".
365:doi
361:149
219:on
195:or
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.