Family: |
Characidae (Characins; tetras), subfamily: Stethaprioninae |
Max. size: |
5.24 cm SL (male/unsexed) |
Environment: |
pelagic; freshwater |
Distribution: |
South America: upper Negro River basin in Brazil. |
Diagnosis: |
Dorsal spines (total): 2-2; Dorsal soft rays (total): 9-9; Anal spines: 4-4; Anal soft rays: 20-22; Vertebrae: 33-33. Color pattern on body reticulated, formed by dark pigmentation along the posterior portion of the scales. A horizontally elongate black stripe extends from a vertical through the last anal fin ray to tips of middle caudal fin rays. The caudal peduncle stripe is not preceded by a light area as that on M. oligolepis. The anterior humeral blotch is uniformly pigmented along its length. Lateral line incomplete (Ref. 41101). |
Biology: |
|
IUCN Red List Status: |
Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
|
Threat to humans: |
harmless |
Country info: |
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