CATDOLL : CATDOLL:Are clams crustaceans?

1. Are river clams crustaceans?

Phylum Mollusca, Class Lamellibranchia, Order Lamellibranchia, Family Lamellibranchia, Subfamily Odontoidea, Genus Odontoidea. A general term for shellfish. Distributed in Asia, Europe, North America and North Africa. Most of them can naturally form pearls in their bodies. The shape is oval or ovate. The shell is thin and fragile. The two shells are swollen, and there is sometimes a hind wing on the back. The top of the shell is wide and slightly raised, located in the middle or front of the dorsal edge. The shell surface is smooth, with concentric growth lines or green radiation from the top of the shell to the ventral edge. The glue is narrow and has no teeth. The axe foot is well developed. The sexes are different. The meat is edible and is also a natural bait and feed for fish and poultry. Some species can be used for freshwater pearl cultivation. So river clams are molluscs, not crustaceans!

2. Does a river clam die if its shell remains closed?

River clams that keep their shells closed are usually alive and need a knife to open them.

Wild river clams are also delicious. If you catch them from the river yourself, don’t rush to cook them. First, keep them in clean water for three days, add some salt to the water, let the clams spit out as much mud and sand as possible, and then rub the mucus on the clam meat. The clams processed in this way will be clean and delicious.

Habitat of river mussels

In the natural environment, clams generally live in mud, sand or gravel in rivers, lakes, ponds, streams, etc. In the cold winter and spring, they use their axe feet to dig mud, so that the clam body is partially buried in the mud, with the front ventral edge facing downward and the back dorsal edge facing upward.

Only the rear edge of the shell is exposed for breathing and feeding. In hot weather, most of it is exposed outside the mud. Toothless clams generally live in muddy bottoms, still water with a pH value of 5 to 9, or slow-flowing, richer water.

3. I have two river clams at home. When I changed the water in the morning, I found that one of them was an empty shell. Will they eat each other?

I don’t think so.

4. The clam has a hard shell on the outside of its body, so it belongs to the category of crustaceans. ______

The body of the river clam is soft, with a mantle and a shell on the outside. It is a mollusk, not a crustacean.

So the answer is: ×