Redescription of Acanthicus hystrix Agassiz, 1829 (Siluriformes: Loricariidae), with comments on the systematics and distribution of the genus Author Chamon, Carine C. text Zootaxa 2016 4088 3 395 408 journal article 10.11646/zootaxa.4088.3.5 5c560767-5327-4cfd-b788-92ca72baca93 1175-5326 256371 7C9F7AA3-B20E-4F5D-908D-3C9404BC1EBC Acanthicus adonis . MZUSP 38580 (h), 135.6 mm SL, rio Tocantins, Cametá, Brasil, Pará, Brasil, 0o 14`S, 49o 30,5`W, 1987, A. Werner. ZMA 119.992 (p), 194.4 mm SL, collected with the holotype. Brazil, Pará, Tocantins: INPA 6311, 1, 191.2 mm SL. MHNG 2546.090, 7, 81.2–112.3 mm SL. No data of locality: AMNH 96749, 2, 302.0-304.6 mm SL. ANSP 179532, 1, 235.2 mm SL. ANSP 181084, 4, 114.4–169.3 mm SL. AUM 44605, 1, 154.3 mm SL. INHS 43256, 1, 121.6 mm SL.