The perch model exhibits a predominantly yellow-green coloration, transitioning to a lighter, almost white, ventral region. Darker, vertical bands stripe the body. The model features detailed fins, including two dorsal fins, one with spiny rays and one with softer rays, pectoral fins located laterally, pelvic fins beneath the pectoral fins, and a forked caudal fin. Its operculum (gill cover) is distinct, and the eye is dark with a lighter outer ring. The mouth is open, displaying small, sharp teeth. The model's function is likely illustrative or educational, representing the physical characteristics of a perch for visual reference.