Franciscana
Scientific
Name: Pontoporia blainvillei
Other
Names: La Plata dolphin
Length:
4.3-5.8 ft. (1.3-1.7 m.)
Weight:
65-115 lbs. (30-53 kg.)
This is the only fresh water dolphin that may be found in marine waters. The animal inhabits isolated area's and is therefore hard to study.