As in the picture ? It doesn't grow very big just a little bit. ? Should be

The snakehead family ? Eleotridae Hypseleotris fish (prefers live food)

The picture below is Hypseleotris swinhonis ? Hypseleotris swinhonis, commonly known as the yellow-bellied fish, the jute tender, and the meat sticker

is more abundant, but is not economically valuable due to the small size of the individuals. The mouth is obliquely cleft, the lower jaw is slightly longer than the upper jaw, and both jaws are finely toothed. The eye diameter is larger than the distance between the eyes. Body covered with pectinate scales. Dorsal fins 2, separated from each other. Pectoral fins large, ventral fins pectoral, separated from each other. Caudal fin rounded. Body color mostly sandy yellow, with black longitudinal stripes distributed longitudinally.