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Markiana nigripinnis
 (Perugia, 1891)
  Family: Characidae (South- & Central American Characins) / Order: Characiformes (Characins)
  
  Common names Distribution Environment Fish  
  UK: Blackfin Tetra
DK: Sortfinnet Tetra		 South America:
Rivers Paraná, Paraguay & Mamoré basins		 Freshwater
20-26ºC / pH 6½-8		 Max Size: 10½ cm