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- Porpoise - Wikipedia
Porpoises ( ˈ p ɔː r p ə s ɪ z ) are small dolphin-like cetaceans classified under the family Phocoenidae Although similar in appearance to dolphins, they are more closely related to narwhals and belugas than to the true dolphins [1] There are eight extant species of porpoise, all among the smallest of the toothed whales
- 江豚 - 维基百科，自由的百科全书
英文名 Yangtze Finless Porpoise，即“长江露脊鼠海豚”，可视为江豚的全称。 Finless 一词中文译为“露脊”，表示没有背鳍，这正是江豚最显著的特征之一。
- 港灣鼠海豚 - 维基百科，自由的百科全书
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- Harbour porpoise - Wikipedia
The harbour porpoise (Phocoena phocoena) is one of eight extant species of porpoise It is one of the smallest species of cetacean As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar porpoise to whale watchers This porpoise often ventures up rivers, and has been seen hundreds of
- Whats the difference between dolphins and porpoises? - NOAAs National . . .
People use the terms dolphins, porpoises, and whales to describe marine mammals belonging to the order Cetacea (from the Greek work ketos, “large sea creature”), and often use them interchangeably The orca, or killer whale, for example, is actually the largest member of the dolphin family
- Porpoise | Definition, Habitat, Facts | Britannica
Porpoise, any of seven species of toothed whales distinguishable from dolphins by their more compact build, generally smaller size (maximum length about 2 meters, or 6 6 feet), and curved blunt snout with spatulate rather than conical teeth
- Finless porpoise - Wikipedia
Neophocaena is a genus of porpoise native to the Indian and Pacific oceans, as well as the freshwater habitats of the Yangtze River basin in China They are commonly known as finless porpoises Genetic studies indicate that Neophocaena is the most basal living member of the porpoise family [2] There are three species in this genus: [3] [4]
- Yangtze finless porpoise - Wikipedia
The Yangtze finless porpoise (Neophocaena asiaeorientalis) is a species of toothed whale in the family Phocoenidae, the porpoise family It is endemic to the Yangtze River in China , making it the country's only known freshwater cetacean following the possible extinction of the baiji ( Lipotes vexillifer ), a freshwater dolphin also native to
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