It inhabits the coastal regions of the South Atlantic. It more or less prefers tempered waters and, at times you cold, makes some migrations towards smaller latitudes in search of suitable temperatures more. Low to the Argentine coast from Brazil during the summer, not more to the south of the province of Buenos Aires. It is of pelágicos habits, they attract deep waters to him and lives in independence of the bottom.

Its body is fusiform, tablet laterally, of bluish green color in the back, clarifying itself in flanks until white being silverplated in the ventral zone. The length of the body is four times greater than the stop. Its head presents/displays a pointed snout, a small hump and great eyes next to the narinas. The lateral line extends by means in each one of its flanks. It has two dorsal fins, first she is shorter and one begins behind the pectoral ones; second he is similar to the anal but of greater length. The fin of great volume is furrowed and the pectoral ones are small; below pectoral and the very next ones are the ventrals. The dorsal, of great volume and pectoral fins are dark, the ventrals and the anal is white.

The Maxima length of this species, in the Argentine sea, reaches the 67 cm . approximately. The most frequent statures in the captures are between the 30 and 43 cm . It is an attractive species for the fishing with fly and spinning, because he is extremely voracious, feeding itself on small fish. In Sea of the Silver excursions of fishing with fly in search of this species are organized