Creagrutus pila is a species of freshwater ray-finned fish, a characin, belonging to the family Stevardiidae.Vari, R.P. and A.S. Harold, 2001. Phylogenetic study of the Neotropical fish genera Creagrutus Günther and Piabina Reinhardt (Teleostei: Ostariophysi: Characiformes), with a revision of the Cis-Andean species. Smith. Cont. Zool. 613:1-239.
Distribution It is native to South America, occurring in smaller rivers that drain into the Aguaytía River, a left‑bank tributary of the Ucayali River in eastern Peru. The Ucayali is one of the principal headwaters of the Amazon River, flowing northward to join the Marañón before forming the main Amazon channel. The type locality is the Río Huacamayo, at kilometre 155 of the Carretera Federico Basadre between Pucallpa and Tingo María, Provincia Padre Abad, Ucayali.
Size This species reaches a length of .
Etymology The species name derives from the Latin word for 'javelin,' in reference to the vertically elongate, ventrally tapering humeral spot on its side.
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