The average pearl gourami size is somewhere between 4-5 inches. This measurement applies to their body.
The pearl gourami (scientific name: trichopodus leerii) is a freshwater labyrinth fish that hails from Southeast Asia.
The average pearl gourami lifespan is around 4-5 years. There have been reported instances where this fish has made it past 6 years of age, but that’s quite uncommon.