Reproductive Performance Based on Morphometric Criteria of Pisang Shrimp (Penaeus Sp.) as Endemic Species in West Coastal Aceh

Abstract

Pisang shrimp (Penaeus sp.) is an endemic species of Aceh coastal region. This srimp could be found on the west coast in Aceh. The aims of this study were to determine the reproductive performance of pisang shrimp based on morphometric criteria. Shrimps with the 3 rd level of gonad maturity (LGM) were collected from fisherman's caught in Meulaboh, West Aceh. The broodstock sampling were done by three times repitition in the same location. In each sampling, 10 shrimps with the 2 nd -3 rd level of gonad maturity were selected. Female broodstocks with the 2 nd -3 rd gonad maturity level were acclimated in a 5 m 3 tank. Shrimps with complete organ were selected to be the broodstock then the total length, length of the carapace and body weight were measured. The broodstocks were transferred into a cone tank in size 250 L with a density of 1 shrimp /tank for maturation. The shrimps's eggs were collected in the morning to obtain the fecundity of the each broodstock. Data were analyzed by linear regression then the correlation values between fecundity with weigth, total length and the carapace length were determined. The results showed that the weight, total length dan length of the carapace of Pisang shrimp had a close relationship with the fecundity. The highest correlation values was shown by the weight variable (R 2 = 0.961) then followed by the length of carapace (R 2 = 0.895). The weight variable explained the fecundity better than total length variables and the carapace length. On the other hand, the carapace length variable explained the fecundity better than the total length variable. The lowest values for absolute and relative fecundity were produced by broodstock in weight of 50.5 g with a total of fecundity of 73.500 eggs, while the highest values were produced by the broodstock in weight of 123.5 g with heighest fecundity was 413.139 eggs.