Which of the Following Aquatic Animals does not have Gills? A) Octopus B) Squid C) Clownfish D) Whale
By BYJU'S Exam Prep
Updated on: September 12th, 2023
The aquatic animal which does not have gills is a Whale. Any animal, whether vertebrate or invertebrate, that lives in water for most or all of its lifetime is called an aquatic animal. They breathe through a specialized organ called gills or through the skin. However, not all aquatic animals have gills. Whales are one of those few aquatic animals that do not breathe through their gills as they are mammals.
Table of content
Aquatic Animal without Gills
Whales breathe air through the blowholes located on the top of their heads. They feed, mate, give birth, and raise their young ones at sea. Whales are the largest animal that lived on the earth ever. Whales produce sounds like moans, cries, chirps, etc., for various activities. Moreover, they are intelligent mammals who are known to experience emotions like dolphins.
Interesting Facts about Whales
Following are some interesting points related to the Whales:
- They are the loudest animals on the planet.
- They give birth to babies, while other fish lay eggs as they are mammals.
- They are around 80 to 100 feet long and weigh 441,000 pounds.
- Their tongue weighs as much as an elephant’s.
- The average life of a whale is 80 to 90 years.
Summary:
Which of the Following Aquatic Animals does not have Gills?
Whales are aquatic animals that do not have gills. Whales are generally found in almost all the oceans (Arctic Ocean, Antarctic Ocean, etc.) and seas (Mediterranean Sea, North Sea, etc.) of the world. Whales breathe through their lungs instead of gills. Moreover, they give birth to babies instead of laying eggs because they are mammals.
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