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Zygochlamys patagonica   (King & Broderip, 1832)

Patagonean scallop
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Zygochlamys patagonica
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drawing shows typical fish in this Family.

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

Bivalvia | Ostreoida | Pectinidae

Environment / Climate / Range Ecology

Sessile; depth range 1 - 270 m (Ref. 87801), usually 70 - 120 m (Ref. 114844).  Subtropical, preferred 8°C (Ref. 107945); 26°S - 65°S, 110°W - 53°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southeast Pacific, Southwest Atlantic and Antarctic: Magellanic biogeographic province. In the Pacific from Puerto Montt to Strait of Magellan and Cape Horn (56°S) to the Atlantic northwards to Rio de la Plata estuary (35°S). Also from Palmer Archipelago, Antarctica and Easter Island. Introduced in the Mediterranean. Subtropical to polar.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 7.8 cm DL male/unsexed; (Ref. 83435)

Biology     Glossary (e.g. epibenthic)

The Patagonian scallop fishery of this species has been certified by the Marine Stewardship Council (http://www.msc.org/) as well-managed and sustainable (http://www.msc.org/html/content_1294.htm). This is an epifaunal species found at depths of 1 to 270 meters. Adults live on the bottom supported by their right valve while juveniles appear as epibionts of algae and other invertebrates. Single species found in shallow waters and forms large banks in deeper waters. Larvae are free-living (Ref. 87801). It is found in forests of Macrocystis pyrifera (Ref. 92889). Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam (Ref. 833).

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

Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae, succeeded by the bivalve veliger, resembling a miniature clam.

Main reference References | Coordinator | Collaborators

Rosenberg, G. 2009. (Ref. 83435)

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Not Evaluated

Threat to humans

  Harmless

Human uses

Fisheries: commercial
FAO(fisheries: production) | 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

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(fisheries: ; 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)
Medium