| Characidae (Characins), subfamily: Stevardiinae |
| 3.33 cm SL (male/unsexed); 3.78 cm SL (female) |
|
benthopelagic |
| South America: Ríos Tambopata and Madre de Dios, Río Madre de Dios basin in Peru. |
|
Dorsal soft rays (total): 9-10; Anal soft rays: 11-14; Vertebrae: 37-38. This species can be distinguished from its congeners by having the following characters: urogenital papilla externally visible in both males and females (vs. absent in M. pearsoni); length of urogenital papilla of sexually active males is shorter, half length of anal-fin base (vs. about equal to length of anal fin-base in M. kontos); dorsal fin height 16.1-17.8% SL in females and juveniles (vs. 13.4-15.8% SL in M. kontos); and 5 premaxillary tooth cusps (vs. 7 in M. kontos) (Ref. 94699).
Description: Dorsal-fin rays ii,7-8; anal-fin rays ii,9-12; pectoral-fin rays i,9-10; pelvic-fin rays ii,4-5; 3 scale rows from pelvic-fin origin to lateral line (Ref. 94699). |
|
|
Not Evaluated
(Ref. 96402)
|
| harmless |
|
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