Echinoecus pentagonus, Sea urchin crab
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Echinoecus pentagonus   (Milne-Edwards, 1879)

Sea urchin crab

Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Echinoecus pentagonus  AquaMaps  Data sources: GBIF OBIS
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Image of Echinoecus pentagonus (Sea urchin crab)
No image available for this species;
drawing shows typical species in Pilumnidae.

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

Malacostraca | Decapoda | Pilumnidae

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

Reef-associated; depth range 0 - 22 m (Ref. 96667).  Tropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific: from Red Sea and East Africa to French Polynesia and Hawaiian Islands.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Biology     Glossary (e.g. epibenthic)

Epizoic, subtidal (Ref. 106854).

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

Chia, D.G.B., P. Castro and P.K.L. Ng 1999 Revision of the genus Echinoecus (Decapoda: Brachyura: Eumedonidae), crabs symbiotic with sea urchins. Journal of Crustacean Biology 19(4):809-824. (Ref. 75231)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


FAO - Publication: search | FishSource |

Tools

E-book | Field guide

More information

Trophic Ecology
Food items (preys)
Diet composition
Food consumption
Predators
Ecology
Ecology
Population dynamics
Growth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycle
Reproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
Physiology
Oxygen consumption
Human Related
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Pictures
References
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)		 (0 of 100).
Price category
(Ref. 80766):		 Unknown.