Araguaian River Dolphin

Mammals > River Dolphins & Iniidae

AT A GLANCECommon Name: Araguaian River DolphinScientific Name: Inia araguaiaensisCategory: MammalsSubcategory: River Dolphins & IniidaeSize: Total length: 6.5–8.5 ft (2.0–2.6 m); Males are slightly larger and pinker than femalesWeight: 220–350 lb (100–160...

Great River Stingray

Fish > Stingrays

AT A GLANCECommon Name: Great River StingrayScientific Name: Potamotrygon rexCategory: FishSubcategory: StingraysSize: Disc width: 35–44 in (90–112 cm); Total length: up to 6.6 ft (2.0 m)Weight: 44–88 lb (20–40 kg)Lifespan: 15–20 years in freshwater river systemsDiet:...