Hypsolebias brunoi (Costa 2003)

Female with anal fin long, spatulated, and long posterior process of occipital, terminating in narrow posterior extension; flanks with iridescent blue bars. Male with entire opercular and dorsolateral regions of head metallic greenish blue; bars on anal and caudal fins; with filamentous rays along the entire distal border of dorsal and anal fins; melanophores concentrated on anterior part of dorsal fin forming a dark gray zone. Dorsal-fin rays 18-20 in male, 15-17 in female; anal-fin rays 20-22 in male, 18-21 in female; caudal-fin rays 24-25, caudal fin subtruncate in male, rounded in female (Ref. 49550).

Dorsal soft rays (total): 15 - 20; Analsoft rays: 18 - 22; Vertebrae: 27 - 28