Morphological Characteristics Of Helostoma Temminkii

Under natural conditions, the body length of seabass is 17-30 cm, and the body length of artificially farmed species is generally 3-5 cm. The fish body is oval or oblong. Sideways, big head, big mouth, especially the red lips are very hard, thick and big, the upper or lower jaw has no teeth, and there are hundreds of small rust-colored mucous membranes covered with enamel like very fine serrations. The eyes are large with red eye mask and yellow eye circles. There are smooth operculum and paraoperculum. The dorsal and round anal fins are particularly long, extending from the rear edge of the gill cover to the caudal stalk, and the middle of the rear edge of the tail fin is slightly concave. There is a broken side line. The pectoral and pelvic fins are fan-shaped, and the caudal fin is triangular. Fish in aquariums are generally milky white or pale pink. There are also some silver-grey or blue-green seabass, and a few white seabass. Each fin is transparent and slightly silver. In the wild, the body of the fish is gray to green with black stripes at the base of the tail fin.