There are many kinds of shellfish, and their habits and characteristics are not exactly the same, so the food they eat is not the same.Specifically, all shellfish can be roughly divided into two categories.One is the snail-like shellfish that can move on their own to find food, which is relatively convenient for their activities in the water.These shellfish sometimes eat animals, sometimes eat plants, not necessarily.
There is also a group of shellfish similar to oysters that cannot move freely in the water. They can only use filter feeding when they eat. What they eat is food, mainly plankton in the water.When they take in some of the seawater, they filter out the plankton and then expel the excess seawater from their bodies.Generally speaking, most of these shellfish are phytophagous.
As mentioned above, there are many varieties of shellfish, and their feeding habits are also different.Some species are phytophagous and some are carnivorous, so some shellfish will eat aquatic plants.Scallops are a common kind of shellfish, and their main food is algae in the water.There are also various snails, such as zebra snails, horn snails and conch snails, which eat aquatic plants, and sometimes eat more.Humans sometimes use the ability of these animals to eat aquatic weeds to achieve the purpose of removing aquatic weeds.
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