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When threatened, Heterozius rotundifrons has a unique antipredator behavior where it fully extends all its limbs including its chelipeds and becomes immobile. The crab keeps defensive stance for up to a few minutes.
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Hazlett, Brian A.; Mclay, Colin (2005-04). "Responses to predation risk: alternative strategies in the crab
Heterozius rotundifrons".
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Bach, Catherine; Hazlett, Brian (2010). "Individuality in the predator defense behaviour of the crab
Heterozius rotundifrons".
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40:Preserved specimen of Heterozius rotundifrons
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245:width is up to 25 millimetres (1 in).
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405:4736a93f-4ad7-4e51-9dcf-eab47c4461f5
286::10.1163/000579510x12629536366329.
265:Reef and Beach Life of New Zealand
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532:Marine crustaceans of New Zealand
269:William Collins (New Zealand) Ltd
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305::10.1016/j.anbehav.2004.06.028.
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480:. You can help Knowledge by
271:, Auckland, New Zealand 1973
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46:Scientific classification
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537:Monotypic decapod genera
327:Heterozius rotundifrons
263:Miller M & Batt G,
211:Heterozius rotundifrons
193:Heterozius rotundifrons
163:A. Milne-Edwards, 1867
16:Species of crustacean
175:H. rotundifrons
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426:Open Tree of Life
319:Taxon identifiers
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295:Animal Behaviour
290: 0005-7959.
282:(5β6): 587β597.
200:A. Milne-Edwards
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216:big hand crab
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184:Binomial name
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147:Ε tevΔiΔ, 2005
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143:Heteroziinae
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119:Infraorder:
93:Malacostraca
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377:iNaturalist
239:New Zealand
139:Subfamily:
113:Pleocyemata
542:Crab stubs
521:Categories
258:References
158:Heterozius
109:Suborder:
83:Arthropoda
25:Heterozius
276:Behaviour
231:Belliidae
169:Species:
133:Belliidae
123:Brachyura
69:Kingdom:
63:Eukaryota
395:11081858
342:Q3932563
336:Wikidata
249:Behavior
243:carapace
129:Family:
103:Decapoda
79:Phylum:
73:Animalia
59:Domain:
431:4669245
369:2223084
235:endemic
226:of the
220:species
218:, is a
153:Genus:
99:Order:
89:Class:
444:440285
418:440285
402:NZOR:
382:410714
241:. The
228:family
202:, 1867
527:Crabs
472:This
439:WoRMS
390:IRMNG
356:3LFFY
214:, or
478:stub
474:crab
413:OBIS
364:GBIF
307:ISSN
288:ISSN
224:crab
351:CoL
303:doi
284:doi
280:147
237:to
222:of
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299:69
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509:e
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