The lines of elephant mussel shell are clear and the lines of nose meat are more regular; The lines of water mussels are messy.
2. The color of ivory mussels is light, mainly white, while that of water mussels is dark. The clam shell is full, not thick, but thicker than the clam shell.
Like a clam shell, it is small, thick and hard, and its nose is long and fleshy. The shell of water mussels is big and brittle, and it contracts easily when it touches the nose and becomes very short.
Extended data
Mytilus is a buried shellfish. The water temperature in the living sea area is 3-23℃, and it can adapt to the water temperature of 0-25℃ after three years of artificial breeding. When the water temperature is lower than 25℃, anti-season farming can be carried out in Guangdong in winter and the following spring. The salinity is 27‰-32‰, and the sediment is mainly sand and mud with a water depth of 3-18m.
When the shell length is 5- 10 cm, the mussel larvae have a strong ability to dive into the sand, which usually takes only 5 minutes. When the shell length exceeds 15cm, it loses the ability to crawl and dive in the sand. It lived in a cave all its life and never moved again. It has the advantages of large volume, fast growth, delicious taste and high economic value.
Mytilus feeds on unicellular algae in seawater, and can also filter sediments and organic debris. The main enemies of mussels are crabs, starfish, snails and flounder. Adult mussels live on the bottom of the sea and have strong protection ability.
Water mussels are mussels. Lamellbranchia is the general name for the toothgill shellfish. Distributed in Asia, Europe, North America and North Africa. Most of them can naturally form pearls in the body. There are many kinds of shellfish living in rivers, lakes and swamps. There are two common types. One likes to live in a flowing river. The general name of bivalve, Pinctada, Anodontidae and Anodontidae. A species of Meretrix meretrix, distributed in Asia, Europe, North America and North Africa. It is a kind of bivalve, which is common in freshwater lakes, rivers and ponds and lives underground.
References:
Elephant mussel (seafood)-Baidu Encyclopedia Water mussel-Baidu Encyclopedia