| Family: |
Characidae (Characins; tetras), subfamily: Stethaprioninae |
| Max. size: |
9.7 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: known from only one specimen from Laguna Tropa Vieja, Río de la Plata basin, Uruguay. |
| Diagnosis: |
Oligosarcus platensis is distinguished from O. amome in having premaxillary teeth in the outer series tricuspidate (vs. pentacuspidate); premaxillary inner series with teeth bi to pentacuspidate (vs. penta to heptacuspidate) ; 17 maxillary teeth (uni to tricuspidate) (vs. ten to eleven maxillary teeth (uni to pentacuspidate)); dentary teeth uni to pentacuspidate (vs. uni to heptacuspidate); 27 branched anal-fin rays (vs. 20 to 23); 44 scales on lateral line (vs. 39 to 41); and 24 predorsal scales (vs. 14 to 16) (Ref. 99820). |
| Biology: |
|
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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