| Rivulidae (Rivulines), subfamily: Cynolebiinae |
| 3.01 cm SL (male/unsexed) |
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benthopelagic; freshwater |
| South America: Brazil. |
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Dorsal soft rays (total): 15-20; Anal soft rays: 18-22; Vertebrae: 27-28. 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). |
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Vulnerable (VU); Date assessed: 07 November 2018 (D2) Ref. (130435)
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| harmless |
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