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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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51:Preserved specimen of Heterozius rotundifrons
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256:width is up to 25 millimetres (1 in).
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416:4736a93f-4ad7-4e51-9dcf-eab47c4461f5
297::10.1163/000579510x12629536366329.
276:Reef and Beach Life of New Zealand
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543:Marine crustaceans of New Zealand
280:William Collins (New Zealand) Ltd
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316::10.1016/j.anbehav.2004.06.028.
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491:. You can help Knowledge by
282:, Auckland, New Zealand 1973
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57:Scientific classification
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548:Monotypic decapod genera
338:Heterozius rotundifrons
274:Miller M & Batt G,
222:Heterozius rotundifrons
204:Heterozius rotundifrons
18:Heterozius rotundifrons
174:A. Milne-Edwards, 1867
27:Species of crustacean
186:H. rotundifrons
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306:Animal Behaviour
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293:(5β6): 587β597.
211:A. Milne-Edwards
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195:Binomial name
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158:Ε tevΔiΔ, 2005
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154:Heteroziinae
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130:Infraorder:
104:Malacostraca
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388:iNaturalist
250:New Zealand
150:Subfamily:
124:Pleocyemata
553:Crab stubs
532:Categories
269:References
169:Heterozius
120:Suborder:
94:Arthropoda
36:Heterozius
287:Behaviour
242:Belliidae
180:Species:
144:Belliidae
134:Brachyura
80:Kingdom:
74:Eukaryota
406:11081858
353:Q3932563
347:Wikidata
260:Behavior
254:carapace
140:Family:
114:Decapoda
90:Phylum:
84:Animalia
70:Domain:
442:4669245
380:2223084
246:endemic
237:of the
231:species
229:, is a
164:Genus:
110:Order:
100:Class:
455:440285
429:440285
413:NZOR:
393:410714
252:. The
239:family
213:, 1867
538:Crabs
483:This
450:WoRMS
401:IRMNG
367:3LFFY
225:, or
489:stub
485:crab
424:OBIS
375:GBIF
318:ISSN
299:ISSN
235:crab
362:CoL
314:doi
295:doi
291:147
248:to
233:of
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