Piramutaba (Brachyplatystoma vaillantii) make up a second large export fishery and are found almost exclusively in the Amazon River mainstem, whitewater tributaries, and the estuary [30 –32 ].
Source: wiktionary
Mainstem
Synonyms for "mainstem"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.