Silurus triostegus, the Mesopotamian catfish, is a species of catfish found in Iran, Iraq, Syria, and Turkey.Kobayakawa, M., 1989. Systematic revision of the catfish genus Silurus, with description of a new species from Thailand and Burma. Jap. J. Ichthyol. 36(2):155-186.

Description This species reaches a length of .

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