Subspecies and Distribution. 1. t. truncatus Montagu, 1821 — worldwide in temperate and tropical waters as far S as New Zealand and generally as far as 45° N, but reaching the Faroe Is in the N Atlantic. 1: 1. ponticus Barabash-Nikiforov, 1940 — inhabits the Black Sea, Kerch Strait along with the connecting part of the Azov Sea, and the Turkish Straits system. in Delphinidae

Subspecies and Distribution. 1. t. truncatus Montagu, 1821 — worldwide in temperate and tropical waters as far S as New Zealand and generally as far as 45° N, but reaching the Faroe Is in the N Atlantic. 1: 1. ponticus Barabash-Nikiforov, 1940 — inhabits the Black Sea, Kerch Strait along with the connecting part of the Azov Sea, and the Turkish Straits system.