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Chaceon affinis   (Milne-Edwards & Bouvier, 1894)

deep-sea red crab

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Chaceon affinis   AquaMaps   Data sources: GBIF OBIS
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Image of Chaceon affinis (deep-sea red crab)
Chaceon affinis
Picture by Poppe, Guido and Philippe

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

Malacostraca | Decapoda | Geryonidae

Environment / Climate / Range Ecology

Benthic; depth range 130 - 2047 m (Ref. 2704).  Deep-water; 15°N - 64°N (Ref. 2747)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southeast Pacific and the Atlantic.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 8 - 9.926 cm Max length : 15.5 cm CL male/unsexed; (Ref. 101417); max. published weight: 863.00 g (Ref. 2720)

Biology     Glossary (e.g. epibenthic)

This is the largest epibenthic brachyuran crab of the Family Geryonidae (Ref. 2689). Bimodal length frequency for males and unimodal for females. More males and larger individuals in shallower substratum and increasing number of females and smaller individuals in deeper substratum (Ref. 2677, 2747). This is also a target species of gillnet operators in Northeast Atlantic fisheries (Ref. 2740). Inhabits a variety of bottom substrates from mud to rock (Ref. 2708, 2725 and 2747); at a depth of 700 m and deeper; it prefers soft substrata (Ref. 2753), and it is found on seamount and escarpments (Ref. 2740). Recruitment of individuals occurs in the deepest substrata. Sacculina sp. is parasitic on this species, infecting individuals in deeper substratum around 1000 to 1100 m (Ref. 2677). Males parasitized by Sacculina are feminized behaviorally and morphologically (Ref. 2694), whereas females are castrated (Ref. 2696). Epibionts Poecilasma crassa and Poecilasma aurantia are found on the exoskeleton of the crab (Ref. 2747 and 2752). This is an allopatric species (Ref. 2763). Inferred from the gonadosomatic index (GDI), presence of ovigerous females and evolution of the maturity stages, occurs in autumn and winter. This supports an annual reproductive cycle. Sexual maturity with carapace lengths from 7.3 to 9.7 cm (Ref. 2747, 2751).

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

Inferred from the gonadosomatic index (GDI), presence of ovigerous females and evolution of the maturity stages, occurs in autumn and winter. This supports an annual reproductive cycle. Sexual maturity with carapace lengths from 7.3 to 9.7 cm (Ref. 2747, 2751).

Main reference References | Coordinator | Collaborators

Abellán, L.J.L., E. Balguerías and V. Fernández-Vergaz. 2002. (Ref. 2677)

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

Fisheries: commercial
| FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

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

Estimates of some properties based on models

Price category (Ref. 80766)
Unknown