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''Metacarcinus edwardsii'', sometimes known as mola rock crab, southern rock crab, or Chilean rock crab, is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of crab from the Pacific coast of South America.
Distribution
''Metacarcinus edwardsii'' is found along the Pacific coast betweenGuayaquil
, motto = Por Guayaquil Independiente en, For Independent Guayaquil
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in Ecuador and the Beagle Channel
Beagle Channel (; Yahgan: ''OnaĊĦaga'') is a strait in the Tierra del Fuego Archipelago, on the extreme southern tip of South America between Chile and Argentina. The channel separates the larger main island of Isla Grande de Tierra del Fuego f ...
in the southernmost Chile.
Description
Females reach functional maturity at carapace width , that is, 50% of females are egg-bearing at this size. Males reach functional maturity at slightly larger sizes. The largest male crabs measure about in carapace width. ''Metacarcinus edwardsii'' isunivoltine
Voltinism is a term used in biology to indicate the number of broods or generations of an organism in a year. The term is most often applied to insects, and is particularly in use in sericulture, where silkworm varieties vary in their voltinism.
...
, with the mating season from October to January.
Utilization
In Chile, it is the most important commercially exploited crab, caught exclusively in artisanal fisheries.References
External links
* * {{Taxonbar, from=Q13846584 Cancroidea Crustaceans of the eastern Pacific Ocean Taxa named by Thomas Bell (zoologist) Crustaceans described in 1835