FECUNDITY OF TWO TYPES OF PALLA (A+B), TENUALOSA ILISHA (HAMILTON) FROM RIVER INDUS SINDH, PAKISTAN

Abstract

The present investigation was carried out on the fecundity of two types Palla (A+B). Tenualosa ilisha from River Indus. The study was based on 22 (11 each types A and B) mature females of Palla, T. ilisha sampled during (October 2004 to September 2005). These individuals ranged in size from 201 to 408 mm in length, and 82.0-1331.0 gm in weight. The highest fecundity was observed (1156380 eggs) from a fish measuring 480 mm in (TL) and 1331 gm in weight (in type A). While the maximum fecundity (288340 eggs) was from a fish measuring 288 mm in (TL) and 260 gm in weight (in type B). The type A was found to be more fecund than that of type B. The number of ova per gram body weight was 964 and 900 eggs, and number of ova per gram of ovary weight was 6230 and 5932 eggs in types A and B respectively