Diagnostic Features. Umbo shell pointed, curved and divergent. Dorsal edge rounded. Shell with concentric growth grooves, and less marked radial grooves. Aulacomya ater was first found in in the Moray Firth, north-east Scotland, where it was introduced from South America (Anon ). Aulacomya atra — Overview. Ribbed Mussel Aulacomya atra. Aulacomya ater Trusted this page yet. Explore what EOL knows about Aulacomya atra.
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In southern Chile the spawning occurs between late November and February. On isolated rocks or muddy rocky grounds. No other European populations are known. It is also found in intertidal shallow waters. It is usually collected by hand but hooks are also used.
It is found in enclosed bays, usually in the m depth range. Aulacomya ater was introduced in in the Moray Firth, north-east Scotland Anon FAO’s Afer of Fishery Statistics reports a range of yearly aquaculture production from around mt in to mt in Chile. Print PDF Search species. Minimum commercial size is 7 cm, excepting regions I and II where it is 5,5 cm. It feeds upon phyto- and zooplankton, filtering alacomya, peridinians, and organic detritus swept away by the rivers. They are smoked for preparing soaps.
Wide range of tolerance to environmental conditions, which would explain the wide distribution and high abundance in chanels and bays of southern Chile.
Cholgas are consumed cooked, raw and fresh with lemon. Aulacomya ater Molina, Scientific Name with Original Description. Southern hemisphere visitors to the Moray Firth.
Small specimens beige or yellow in colour. Saggio sulla Storia Naturale de Cili.
The culture of this species has started due to overexploitation. Universidad Austral de Chile, Aulscomya. Hinge with a single tooth that fits in the groove of the opposed shell, or without visible tooth.
Shell with concentric growth grooves, and less marked radial grooves, covered by a black and brilliant periostracum, sometimes, purple or blue. Food and Agriculture Organization of the United Nations for a world without hunger.
WoRMS – World Register of Marine Species – Aulacomya ater (Molina, )
Mariscos y peces de importancia comercial en el sur de Chile. FAO’s Yearbook of Fishery Statistics reports a range of yearly capture production from around mt in to mt in Chile, Peru. It is collected by artisanal methods along the coast of Chile.
Bibliography Anon – Launch the Aquatic Species Distribution map viewer. Umbo shell pointed, curved and divergent.
The mantle is creamish-yellow in males, beige with purple dots in females. Minimum spawning atwr is 65 mm. Also frozen and canned in brine or oil.
Fisheries and Aquaculture Department.