Encyclopedia > Porpoise

Article Content

Porpoise

A porpoise is a cetacean of the family Phocoenidae[?]; a type of whale.

They are distinct from dolphins. Unlike dolphins, porpoises have small, rounded heads and no beaks. In addition, a porpoise's dorsal fin is generally triangular, rather than curved like that of a dolphin.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Dennis Gabor

... Contents Dennis Gabor Dennis Gabor (Gábor Dénes) (1900-1979) was a Hungarian physicist. He invented holography in 1947, for whic ...