BIOLOGI REPRODUKSI IKAN BELANAK (Planiliza subviridis) YANG TERTANGKAP DI PERAIRAN PANTAI KARANGSONG, INDRAMAYU, JAWA BARAT
Greenback mullet (Planiliza suviridis) is ones of several fish that has a high economic value in Karangsong coastal water of Indramayu. The study was conducted for 6 months (December 2012-May 2013), aims to reveal a reproductive biology of the fish caught in Karangsong coastal waters. Fish samples were taken from the catch of fishermen using a gill net with a mesh size of 0.5-1.5 inches (n=336 individuals). The results shows that the sex ratio between males and females was 1:2,0. Greenback mullet females mature was smaller than females with mature gonad size was 114 mm (for male) and 102 mm (for female). Peak spawning season of the fish in the Karangsong coastal waters was thought to occur in early February. Fecundity of greenback mullet was quite large in the amount of 9.691 to 173.335 eggs. Eggs diameter distribution of the fish ranged from 0,18 to 0,75 mm with two modes indicating a partial spawner.
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