The Tahu culture () was an archaeological culture in southern Taiwan. It distributed around the Tainan-Kaohsiung region. The culture was one of the late Neolithic cultures of Taiwan island. A set of several archaeological sites formed the culture, such as the Tahu Site (大湖遺址), Fengpitou Site (鳳鼻頭遺址) and Wushantou Site (烏山頭遺址). These sites had been excavated out many bone tools, potteries or middens.
Roger Blench considers the Austronesians in Taiwan to have been a melting pot involving a continuous flow of migrants from various parts of the coast of East China that had been migrating to Taiwan from 5500 to 4000 BP. After the fishing-based Dapenkeng culture of coastal Fujian, other immigrant waves included the Yuanshan culture ca. 4500 BP, and people from the foxtail millet-cultivating Longshan culture of Shandong (forming the Tahu culture of southern Taiwan ca. 3800 BP).Blench, Roger. 2014. Suppose we are wrong about the Austronesian settlement of Taiwan? m.s. K. C. Chang, Minze Stuiver, and subsequent scholars note that the Tahu culture's preference for millet cultivation and practice of dental evulsion strongly supports the theory of a Longshan connection. Blench argues that the appearance of this Longshan-like culture at this time was the result of lowering sea levels in this period, which opened up plains on the western coast of Taiwan for agriculture.
The Dàhú is associated with tooth ablation specifically in women; it was population-wide in early Neolithic Taiwan.
See also Niaosung culture List of archaeological sites in Taiwan Prehistory of Taiwan
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