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> Characiformes (Characins) > Characidae (Characins; tetras) > Tetragonopterinae
Etymology: Tetragonopterus:Name from Greek words: 'Tetra' meaning four; 'gonia' meaning angle; 'pteron' for fin; referring to the evident tetragonal shape of the body (Ref. 124043). More on authors: Spix & Agassiz.
Environment: milieu / climate zone / depth range / distribution range
生態学