Fecundity and size the first maturity of the gonad of Yellowstripe Scad (Selaroides leptolepis) at Belawan Aquatic, North Sumatera

Abstract

The process of maintaining existential, each of the species have a reproduction strategy. Reproduction of strategy is all the pattern and the identity of reproduction which is shown by each individual from a species including complex inherited traits. Especially for yellowstripe scad fish at Belawan aquatic, North Sumatera. This research conducted from March to May 2017. The sampling was taken three times with one-month interval. The location of the research divided into 3 stations with each respective characteristic. Fishing gear used during the research is nets and gill-nets. The gill-net are installed in the morning and removed in the afternoon. Management recommendation which is given for catch fish in size selection are spawned fish and catchable fish must pass the size of the first gonads maturity was found of 143 – 151 mm for female fish and 144 – 151 mm for male fish. If the fish which is gained bellow the first size of gonads maturity with GML is not yet mature gonads, then necessary increasing the size of the nets in the fishing gear used in Yellowstripe scad fish captured.