Freshwater Mussels for Sale - Chinese Food Network

: Freshwater Mussels for Sale; Freshwater mussel aliases: river twist, river clams, bird shell, ka-la (Northeastern dialect), sao-ga-la (Shandong dialect) etc.Mollusca, Heterobranchia Bivalvia.Unionidae family.Sphaeriinae subfamily.Naiadinae genus. Generic term for bivalves.Distributed in Asia, Europe, North America and North Africa.Most can naturally form pearls within their bodies.- Shaped elliptically or ovoid.Shell thin.Brittle.Both shells expanded; a posterior wing may be present on the back sometimes.Shell apex broad, slightly raised, located in the middle or front end of the back edge.Shell surface smooth, with concentric growth lines or green radiating lines from the shell apex to the ventral margin.Adhesive area narrow, without teeth.Strong foot present.Sexual dimorphism.Meat edible, also a natural bait and feed for fish and poultry.Some species can be used for freshwater pearl cultivation.