Oreochromis niloticus
The Nile tilapia can be found in most types of freshwater habitats, such as rivers, streams, canals, lakes, and ponds, and ranging from sea level to an altitude of . It also occurs in brackish water, but is unable to survive long-term in full salt water. The species has been recorded at water temperatures between , although typically above , and the upper lethal limit usually is at . Also, some variations occur depending on the population. For example, those in the northern part of its range survive down to the coldest temperatures, while isolated populations in hot springs in the Awash basin and at Suguta River generally live in waters that are at least . Although Nile tilapia can survive down to relatively cold temperatures, breeding generally only occurs when the water reaches .