Chordates • Earth.com

Franciscana

(Pontoporia blainvillei)

galery

Description

The Franciscan or Silver Dolphin ( Pontoporia blainvillei ) is a species of cetacean odontoceto;according to different authors,the species is the only member of the family Pontoporiidae,2 or is part of the Iniidae family.1 3 is a river dolphin own the great estuary of the Rio de la Plata and the shores of the Atlantic Ocean in South America The Franciscan has the longest peak (in proportion to its size) of all cetaceans,more than 15% in adults.The males reach 1.6 meters in length,and the females can be larger (1.8 m).The body is grayish brown,lighter in the belly.The fins are also very long compared to the body,and they are very wide.The dorsal fin has a large base and has a rounded shape.The weight of the specimens is around 50 kg on average

Taxonomic tree:

Domain:
Kingdom: Animalia
Phylum:
Class: Mammalia
Order:Cetacea
Family:Pontoporiidae
Genus:Pontoporia
News coming your way
The biggest news about our planet delivered to you each day