A fish has teeth. It has two kinds of teeth, one is oral teeth and the other is throat teeth. Not all fish have oral teeth, but they all have throat teeth. The function of throat teeth is to cut food. Fish have different feeding habits, so the appearance of throat teeth is also different. Filter feeding fish have slender teeth and dense gill rakes. Carnivorous teeth are relatively large, mostly conical, and omnivorous teeth are cut. 1、 Do you have teeth? Fish have teeth. There are two kinds of teeth in this kind of animals, one is oral teeth and the other is throat teeth. Not all fish have oral teeth, but basically all have throat teeth. The function of throat teeth is to cut up food so that food can be swallowed better. Throat teeth have various shapes, some are flat and thin, some are finger shaped, some have sharp tips, and some have hooks. 2、 Introduction to feeding habits 1. Filter feeding: there are many filter feeding fish, such as silver carp, bighead carp, snakehead, etc. This kind of fish has slender and dense gill rakes, which helps it filter food. Usually feed on cladocerans, copepods and rotifers, and also eat some algae. Their teeth are thin and weak, and they are fluffy arranged into tooth belts.
2. Herbivorous: herbivorous fish feed on aquatic plants, algae and submerged land plants. Common species include grass carp, bream and blunt snout bream.
3. Carnivorous: carnivorous fish are generally fierce, such as catfish, snakehead and mackerel. They mostly feed on fish, crustaceans and molluscs. Their teeth are large, mostly conical, and some are incisor, canine or molar.
4. Omnivorous: omnivorous fish can eat plants as well as small fish and shrimp. They have a wide range of feeding habits, and most of their teeth are cut, brush, grinding and notched. （YuYouMeiYouYaChi，YuLeiDeYaChiYuMiShiFangShi）