Maskulinisasi Ikan Guppy (Poecilia reticulata) menggunakan Ekstrak Daun Karam…

Poecilia reticulata are popular freshwater ornamental fish and are included in the 6 types of ornamental fish that are in great demand, has high commercial value in domestic and foreign markets. Domestically, the price of guppy fish reaches Rp. 15,000–35,000/head while for foreign countries the price of guppy fish starts from Rp. 275,000–780,000/head. The obstacle in cultivating guppies is …