SIZE :
Up to 4 cm.
LIFE EXPECTANCY :
Up to 24 years.
LIFE CYCLE :
Sexual maturity around 3 or 4 years.
This would be the age at which the first egg is laid. The reproduction period takes place in July.
La coquille est asymétrique, de forme ovale.
Le début de la coquille, au niveau de la charnière, est pointu.
La surface de la coquille est striée, de couleur blanc crayeux, beige ou gris jaunâtre.
Nom
Arctic wedge clam
Mesodesma arctatum
Type
Seafood - molluscs
Autres appellations
Nom en cuisine
État de la ressource
Not determined
Saison de consommation
Fresh in summer and early autumn.
Coastal zone, between 0 m and 90 m in depth.
The Arctic wedge clams can bury itself in both sand and mud.
Not really an Arctic clam
The Arctic wedge clam is not so “Arctic” after all, since its territory extends at least as far as Virginia. Its name comes from a mistranslation of the Latin name Mesodesma arctatum; arctatum meaning “compressed” and not “arctic”.
PREY :
Organic matters
PREDATORS :
Gastropods
Seagulls
Arctic wedge clams filter water to feed.
Credit : Claude Nozères, photo taken in Matanie, in 2010.
Credit : Claude Nozères, photo taken in Matanie, in 2010.
MACHINES :
Hydraulic dredge.
REGULATIONS :
Commercial fishing for Arctic wedge clams is sometimes carried out on the central North Shore. The volumes fished do not reach the authorized quotas.
Recreational harvesting, yes, but only under certain conditions.
Arctic wedge clams can be hand harvested recreationally. However, molluscs can be toxic. Be sure to find out about harvesting conditions and whether your area is open. This information can be found on the Fisheries and Oceans Canada website. Harvested clams must measure more than 3 cm.
BENEFITS :
The Arctic wedge clams is a good source of Omega-3 fatty acids, protein, vitamins B3 and B12, as well as potassium and zinc.
LET’S COOK:
Tender texture with light firmness. Lean meat with a salty yet slightly sweet flavor.
Unlike other molluscs, Arctic wedge clams do not shrink during cooking.
OUR CULINARY ADVICE :
- Clean the shells thoroughly with a stiff brush before cooking. Remove any damaged shells.
To avoid poisoning, it's important to always follow safe shellfish storage, handling and cooking practices.
Source : DFO
Source : DFO
Ce projet a été réalisé grâce au financement de Musées numériques Canada ainsi qu’à la participation et collaboration avec l’Université Laval.
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