Money fish? Fecal Carnivora is a kind of dung-eating fish (I don't know what kind).
The picture below shows the four-spined money fish? Four-cornered dung eater,
The fish is flat, disc-shaped, with a high back and a small mouth. The scales are small, the fish is yellow-brown, with 6 to 7 dark horizontal stripes, the abdomen is silvery white, the caudal fin is truncated, and the dorsal fin spine11; 15 to 18 dorsal fin strips; Four hard spines of gluteal fin; The gluteal fin has 14 to 15 soft bands, and its body length can reach 30 cm.
Habitat in tropical waters, often in estuaries, mangroves or lagoons, belongs to euryhaline fish, which will make a "bang" sound when frightened. It is an omnivore, feeding on algae and small benthic invertebrates. Edible fish and juvenile fish can be used as ornamental fish.