Freshwater and saltwater pearls may sometimes look quite similar, but they come from different sources.
Natural freshwater pearls form in various species of freshwater mussels, family Unionidae, which live in lakes, rivers, ponds and other bodies of fresh water. These freshwater pearl mussels occur not only in hotter climates, but also in colder more temperate areas such as Scotland: see the freshwater pearl mussel. However, most freshwater cultured pearls sold today come from China.
Saltwater pearls grow within pearl oysters, family Pteriidae, which live in oceans. Saltwater pearl oysters are usually cultivated in protected lagoons or volcanic atolls.
--wikipedia
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Anatomically they are quite similar; most are filter feeders, and they have the same organ systems. They simply live in different environments.
Saltwater pearls are more expensive and of a better quality than the freshwater variety.
No.
That depends on the species, as there are freshwater clams.
No, they need saltwater.
Fresh water clams live in fresh water and salt water clams live in salt water.There are both freshwater and saltwater clams. Mussels fall into this category as well. See the related links for both.
Ocean Cams are Quahog Clams (stronger tasting). Sea Clams are Surf Clams (sweeter tasting).
yes
oister you can,t eat but clams you can
No, consumers.
you should eat freshwater clams/oysters
Freshwater clams are filter feeders, so tiny foods like daphnia and rotifers and cyclops work well.
clams live in water and snails mostly live on land.
yes