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    •  咀嚼歯:chewing tooth

            

      The Metridia belonging to the caranus of copepods is a typical particulate diet species with a body length of 2-5 mm.

      Within the same genus, the shape of the chewing teeth of the appendages of the mouth varies widely from species to species.

      The chewing teeth of the superficial species are smooth, and the chewing teeth of the deep sea species are irregular.