PERTUMBUHAN IKAN NILEM (Osteocliilus hasselti C.V) GINOGENESIS SAMPAI UMUR 30 HARI SERTA TINGKAT PERKEMBANGAN GONAD YANG TELAH DICAPAI [The Growth of Hard-Lipped Barlo (Osteocliilus hasselty C.V.) from Gynogenesis Until 30 Days and Gonad Development Stage Which Attained]