Whale - Wikipedia
Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. As an informal and colloquial grouping, they correspond to large members of the infraorder Cetacea, i.e. all cetaceans apart from dolphins and porpoises. Dolphins and porpoises may be considered whales from a formal, cladistic perspective.
The Whalefish Mystery - Smithsonian Ocean
More than a century ago, in 1895, two Smithsonian scientists described a new kind of deep sea creature living at least 1000 m (3,280 ft) below the ocean’s surface— a part of the ocean that we still know very little about. The scientists named their find the whalefish because of …
Are Whales Fish or Mammals? - ThoughtCo
2019年1月27日 · Whales are cetaceans and fall into two categories: baleen (that eat plankton) and toothed (that eat penguins and fish). Mammals breathe air using lungs, bear live young and feed them using mammary glands, and regulate their own body temperature.
Are Whales Fish? | Understanding Their Differences - Whale Facts
One of the misconceptions people have about whales is that they live in the ocean because these animals are fish. The truth, however, is that whales are not fish; they are actually marine mammals.
Are Whales Fish? - The MIT Press Reader
2024年7月25日 · Distinctions between whales and fish are more influenced by cultural and linguistic changes than by scientific discoveries. “The whale, the limpet, the tortoise, and the oyster. . . as men have been willing to give them the name of fishes, it is wisest for us to conform.”
Whale | Definition, Types, & Facts | Britannica
2024年11月23日 · Whale, any of the larger species of aquatic mammals belonging to the order Cetacea. Whales are the heaviest known animals, living or fossil, reaching a maximum size in the blue whale of perhaps more than 30 meters and 200 metric tons. They are distributed throughout the world’s oceans and seas.
Cetacea - Wikipedia
Cetacea (/ s ɪ ˈ t eɪ ʃ ə /; from Latin cetus 'whale', from Ancient Greek κῆτος 'huge fish, sea monster') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
A Fish that Looks Like a Whale | Smithsonian Ocean
This deep sea creature, the whalefish (Cetomimidae), has a whale-like body, a gaping mouth, no fins or scales and a deep lateral line, which detects vibrations in the water. The first specimens were discovered by two Smithsonian scientists in fish collections at the National Museum of Natural History more than a century ago.
Whales and Dolphins | Smithsonian Ocean
What is the difference between whales and dolphins? Everything you could want to know about these amazing cetaceans.
Are Whales Mammals or Fish? - Characteristics ... - AnimalWised
2023年4月16日 · Whales are mammals, not fish. Although they live in the water and have some physical similarities to fish, whales belong to a different group of animals altogether. There are several features of whales that may cause people to mistake them for fish, despite the fact that they are actually mammals. Some of these features include: