Aphyocharax brevicaudatus sp. nov. a. CICCAA 02293, holotype (male), 35.9 mm SL; b. CICCAA 02294, paratype (female), 32.4 mm SL, Brazil: Maranhão state: Maracaçumé river basin. (Photographed by Erick Guimarães).

 
 
  Part of: de Brito PS, Guimarães EC, Carvalho-Costa LF, Ottoni FP (2019) A new species of Aphyocharax Günther, 1868 (Characiformes, Characidae) from the Maracaçumé river basin, eastern Amazon. Zoosystematics and Evolution 95(2): 507-516. https://doi.org/10.3897/zse.95.36788