D. schmidti is found in the Caucasus and the Middle East, from Dagestan to Turkmenistan and south into Syria, Jordan, and northern Iran.

[1][2] D. schmidti occurs in a wide variety of habitats including rocky, stony and bushy river banks, deserts, semi-deserts, rocky outcrops, hillsides, montane steppe, cultivated fields, gardens, vineyards and other rural areas, from sea level to 2,000 m (6,600 ft).

[1] D. schmidti is often observed near to large colonies of rodents on which it preys.

[1] Adult females of D. schmidti lay clutches of between 5 and 11 eggs.

[1] The specific name, schmidti, is in honor of Russian ichthyologist Petr Yulevich Schmidt.