Greenback mullet (Planiliza subviridis) is a species of ray-finned fish in the family Mugilidae.
The species is a slender, cylindrical fish with a small mouth, large eyes, and swift, agile movements, often found schooling along Indo-Pacific coasts (from the Red Sea and Persian Gulf to Samoa and northern Japan).
It feeds on phytoplankton, zooplankton, and organic detritus, reaching up to in length with an average of .
In Thailand, the Department of Fisheries promotes it as an aquaculture species, typically raised in earthen ponds at 10âÂÂ20 fish/mò, often polycultured with species such as green scat, clams, or mud crabs. Fed twice daily on formulated feed with less than 25% protein, they reach in 6âÂÂ10 months, selling for 150âÂÂ160 baht/kg.
Its flesh is high in protein (20.5 g per 100 g, comparable to salmon) and contains only 64 mg cholesterol per 100 g.