Tilapia (Oreochromis niloticus) is a group of subtropical to tropical fish which is an omnivorous fish. The quality of life of tilapia is reflected in the growth pattern of otoliths, the cause of tilapia experiencing stress during its life can be investigated through the growth ring pattern in the otolith. This study aims to determine the growth ring pattern in the otolith of tilapia (Oreochrom…