Notomithrax ursus
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Notomithrax ursus   (Herbst, 1788)

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drawing shows typical species in Majidae.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Malacostraca | Decapoda | Majidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; depth range 0 - 75 m (Ref. 85546).  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-West Pacific: Southeast Australia and New Zealand.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 6.0 cm CL male/unsexed; (Ref. 3226); 4.3 cm CL (female)

Biology     Glossary (e.g. epibenthic)

Omnivorous - feeds on algae, zoobenthos, and detritus. Usually feeds nocturnally (Ref. 85546).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.

Main reference References | Coordinator | Collaborators

Woods, C.M.C. 1993 Natural diet of the crab Notomithrax ursus (Brachyura: Majidae) at Oaro, South Island, New Zealand. New Zealand Journal of Marine and Freshwater Research 27:309-315. (Ref. 85546)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Ecology
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References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Fishing Vulnerability (Ref. 71543): Low vulnerability (10 of 100).

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