![]() ![]() Sometimes it looks for food at the riverbed. Mostly active during the day, it knows that under the waterfalls or at the mouths of the rivers, it is easier to catch the fish that pass through the currents. Their favorite fish belong to the families Sciaenidae, Cichlidae, and the one of the feared piranhas, Serrasalmidae. The diet of these dolphins includes 43 species of fish. Fish, crabs and small turtles are part of the diet of this cetacean that regularly hunts alone and consumes 2.5 percent of its total weight each day. The Amazon pink dolphin consumes a variety of prey more diverse than other species of dolphins. WHAT DO THEY EAT? DIET AND EATING HABITS. The Amazon River dolphin can live in areas of slow movement, in deep water channels, in flooded forests, in confluences where clear waters and sewage mix, in narrow channels and possibly under waterfalls and rapids. Humboldtiana dwells in the basin of the Orinoco River. Boliviensis inhabits above the Teotonio rapids in the basin of the Amazon River and, I. Geoffrensis thrives in the Amazon and Araguaia river basins except for the upper Teotonio rapids in the Madeira river basin in Bolivia. However, each subspecies lives in defined areas: I. Its distribution includes the basins of the Amazon and Orinoco rivers and the tributaries of these rivers in Bolivia, Colombia, Brazil, Ecuador, Peru, and Venezuela. The Amazon River dolphin inhabits only the freshwater systems of South America. WHERE DO THEY LIVE? DISTRIBUTION AND HABITAT. It is the only species of cetacean with heterodont dentition, and its dorsal fin is so small that it rather looks like a triangular crest.Īmazon River Dolphin – Inia Geoffrensis. ![]() The lower part of the body is usually clearer, and some individuals have gray patches. The most distinctive feature of this dolphin is the pink color that it acquires with age. The largest individual recorded was a female, weighing 98.5 kilograms. He has a heterodont denture since his teeth are conical in the front of the jaw while the back pieces have a flange.Īdults are between 1.53 and 2.4 meters in length, but this depends on the subspecies in question. The pectoral flippers are large and have a triangle shape. It has a bulbous forehead due to a pronounced melon, chubby cheeks, small eyes and a remarkably flexible neck since its vertebrae are not fused. It is a robust dolphin with a very long snout easily distinguishable. HOW DO THEY LOOK? PHYSICAL CHARACTERISTICS. ![]() * Recently (2014) this subspecies was split from Inia geoffrensis and defined as an independent species with the name Araguaian River dolphin as mitochondrial studies determined that they are indeed different species. There are three subspecies of Amazon river dolphin: Among the river dolphins, this species is the largest, best known, most researched and with the largest population. Other common names of this dolphin are Boto, bufeo and pink river dolphin. Amazon River Dolphin Facts (Inia Geoffrensis) INFORMATION AND CHARACTERISTICS. ![]()
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