| Family: |
Rivulidae (Rivulines) |
| Max. size: |
3.01 cm SL (male/unsexed) |
| Environment: |
benthopelagic |
| Distribution: |
South America: Brazil. |
| Diagnosis: |
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). |
| Biology: |
|
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (120744)
|
| Threat to humans: |
harmless |
| Country info: |
|
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sortiz, 10/02/17