Tench, belonging to the order Cypriniformes and the family Cyprinidae.The body is elongated, with a round and fleshy belly, a short head, and a rounded and blunt snout.Mouth is inferior, with keratinized margins on the front of the upper and lower jaws suitable for scraping bottom attachments.In natural water bodies, tench will scrape algae (such as attached green algae, diatoms, filamentous algae), etc., from rocks and other objects, and also consume organic matter in the mud.
