Brycon costaricensis Angulo and Gracian-Negrete 2013: 258

Angulo, Arturo, Naranjo-Elizondo, Beatriz, Rojas, Emmanuel & Ley-López, Juan Manuel, 2017, Fishes from the Tirimbina Biological Reserve, La Virgen de Sarapiquí, Heredia, Costa Rica, Check List 13 (5), pp. 683-702 : 687-689

(5) Brycon costaricensis Angulo and Gracian-Negrete 2013: 258 ; Machaca (En/Sp)

Figure 2E

Body elongate, robust, fusiform; snout length usually shorter than the eye diameter; upper jaw in advance of

lower jaw; upper jaw with 3 or 4 rows of teeth; premaxillary teeth multicuspid, usually not enlarged; nape usually convex or straight; fins without strong spines; a single dorsal fin; adipose fin present, its base shorter than the base of the dorsal fin; caudal fin forked; general color- ation silvery, olive dorsally (more prominent in larger specimens) and white ventrally; fins usually transparent, pinkish or yellowish in some specimens (specially the dorsal and caudal fins); maximum body length ca 500 mm SL.