(Terapon jarbua)
Terapon jarbua,Target Fish,Crescent Bass,Crescent Perch or Tiger Bass is a Grunter from the Indo-Pacific.It occasionally makes its way into the aquarium trade.It grows to a size of 36 cm in length although is rarely seen half that size in the aquarium.It gets its name from the concentric circle pattern that can be seen from above,resembling a target.Wild individuals feed on insects,plant matter,small fish,fish scales and crustaceans.This species can be found in brackish water in certain parts of Australia.