Irrawaddy Dolphin (Orcaella brevirostris)
The Irrawaddy river dolphin (Orcaella brevirostris) is an oceanic dolphin as it has a mixed distribution reaching part of the ocean and venturing into the river of the same name.
The Irrawaddy river dolphin (Orcaella brevirostris) is an oceanic dolphin as it has a mixed distribution reaching part of the ocean and venturing into the river of the same name.
The Ganges River dolphin (Platanista Gangetica Gangetica) is a subspecies endemic of the Ganges river where it struggles to survive due to the intense human activities in the area.
La Plata dolphin (Pontoporia blainvillei) it is a small dolphin that has one of the longest snout-body length ratios. While it is a river dolphin, it also reaches several parts of the ocean.
The Pacific white-sided dolphin (Lagenorhynchus obliquidens) is a robust species that dwell in the temperate waters of the North Pacific Ocean.
There are approximately 39 species of oceanic dolphins that belong to the family Delphinidae and five species of river dolphins which dwell in freshwater.