CALLIONYMUS, in ichthyology, a genus of fishes belonging to the order of jugulares. The upper lip is doubled up; the eyes are very near each other; the membrane of the gills has six radii; the operculum is shut; the body is naked; and the belly-fins are at a great distance from each other. There are three species of callionymus, viz. 1. The lyra, with the first bone of the back-fin as long as the body of the animal, and a cirrus at the anus. It is of the Atlantic. 2. The dracunculus, with the first bone of the back-fin shorter than its body; which is of a spotted yellow colour. It frequents the shores of Genoa and Rome. 3. The indicus, has a smooth head with longitudinal wrinkles; the lower jaw is a little longer than the upper.

per one; the tongue is obtuse and emarginated; the apertures of the gills are large: it is of a livid colour, and the anus is in the middle of the body. It is a native of Asia.