Differbetween
Whales are not grouped in fishes due to four main reasons. Whales are warm-blooded animals while fishes are cold-blooded. Whales give birth to live young while fishes lay eggs. Whales have mammary glands to feed their young while fishes do not have.
- Why are whales not grouped under the fishes?
- How is whale different from fish?
- Are whales and dolphins fishes?
Why are whales not grouped under the fishes?
(i) Whales are warm-blooded animals, while fishes are cold-blooded. (ii) Whales respire through lungs, while fishes respire through gills. (iii) Whales possess mammary glands, which are absent in fishes.
How is whale different from fish?
Whales are warm blooded. Fish are cold blooded. Whales breathe air through lungs. Fish use gills to extract air from water.
Are whales and dolphins fishes?
Even though they live in the ocean all of the time, dolphins are mammals, not fish. Like every mammal, dolphins are warm blooded. Unlike fish, who breathe through gills, dolphins breathe air using lungs. ... There are 75 species of dolphins, whales, and porpoises living in the ocean.
