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- n. Plural form of pirarucu.
Sorry, no etymologies found.
These fish include pacus (Metynnis and Mylossoma), tambaqui (Colossoma macropomum), pirarucus (Arapaima gigas), and sardinhas (Triportheus angulatus).
“pirarucus” with red scales, as large as sturgeons, which when salted are used in great quantities throughout Brazil;