Chong, Alexander S C and Ishak, Saraitulnis and Osman, Zulfaizuddin and Hashim, Roshada Effect Of Dietary Protein Levels On Reproductive Performances Of Female Viviparous Ornamental Fish, Swordtail Xiphophorus Helleri (Poeciliidae). Working Paper. Universiti Sains Malaysia.
The culture of ornamental fish remains an important activity in several Asian countries. Ng and Tan (1997) estimated a total production value of US$ 80-150 million annually from Southeast Asian aquarium fish farms.
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