Abstract: The number of reports on the effects of temperature is still increasing because of the temperature is one of the most encountered stressful factors in the environment, thus it deemed important to survey the literatures for effects of temperature on the biological consequences. The objective of this review was to establish the thermoregulatory response and adaptation of some non-mammalian species during temperature. Although, there was relative scarcity of information on the relation between oxidative stress and antioxidant enzymes during temperature, this review great interest to elicit this relation in non-mammalian species. Here, this review suggests that, the increase in the oxidative stress due to temperature may be a reason for such decrease and exhaustion of antioxidant enzymes and a sequence of cellular injury or death, because of increased endogenous production of the free radicals. However, there was exception in this hypothesis because this argument is still ambiguous because of the difficulties of the direct observation of the active oxygen species in the biological systems due to their short lifetime. Taken together, because of one of the most important functions of heat shock protein is to protect the organisms from the deleterious effects of temperature, thus, it can be hypothesized that the formation of heat shock protein and antioxidant enzymes may be related to the changes in the levels of free radicals in non-mammalian species during temperature.