Common in the lee side of islands and protected backwaters of the main river channel; sand with some rocks bottom. Also collected near mouths of streams where it could be muddy and covered with terrestrial plant leaves. Aquatic vegetation almost always absent; water clear to moderately turbid (Ref. 49521).
- Willink, P.W., B. Chernoff, A. Machado-Allison, F. Provenzano and P. Petry 2003 Aphyocharax yekwanae, a new species of bloodfin tetra (Teleostei: Characiformes: Characidae) from the Guyana Shield of Venezuela. Ichthyol. Explor. Freshwat, 14(1):1-8. (Ref. 49521) http://www.fishbase.org/references/FBRefSummary.php?id=49521&speccode=61400
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