Dorsal soft rays (total): 11; Analsoft rays: 27 - 31; Vertebrae: 36 - 37
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Marinho, M.M.F. and F.C.T. Lima 2009 Astyanax ajuricaba: a new species from the Amazon basin in Brazil (Characiformes: Characidae). Neotrop. Ichtyol. 7(2):169-174. (Ref. 81201)
http://www.fishbase.org/references/FBRefSummary.php?id=81201&speccode=51060
