http://dimensirebana-kursus.blogspot.com - Interested in the aquaculture field? Dimensi Rebana offers you the chance to learn about rearing freshwater fish for business purposes. They specialise in the much sought after and pricey Ikan Ketutu (Marble Goby). This fish usually retails for around RM80-90 per kilo. Short courses cost around the RM400-500 range.