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