Cetaceans are famous for their high intelligence, complex social behaviour, and the enormous size of some of the group's members. For example, the blue whale reaches a maximum confirmed length of 29.9 meters (98 feet) and a weight of 173 tonnes (190 short tons), making it the largest animal ever known to have existed.

Jan 30, 2025 · cetacean, (order Cetacea), any member of an entirely aquatic group of mammals commonly known as whales, dolphins, and porpoises. The ancient Greeks recognized that cetaceans breathe air, give birth to live young, produce …

Aug 2, 2023 · Cetaceans are fully aquatic creatures, ranging from relatively small, river-dwelling dolphins to the massive blue whale, which is the largest animal to have ever lived. They are found in oceans, seas, and even some rivers throughout the world.

Jan 30, 2025 · Cetacean - Marine Mammals, Aquatic Adaptations, Conservation: Cetaceans are carnivorous aquatic mammals distributed in all oceans and some river systems. All are social to some extent, and many exhibit epimeletic behavior.

Marine mammals in the cetacean family include whales, dolphins and porpoises. These animals are completely aquatic, meaning they spend all of their time in the ocean and cannot survive on land.

Jan 30, 2025 · Cetacean - Marine Mammals, Evolution, Classification: Cetaceans are distant descendants of a group of poorly defined mammals known as condylarths. The first fossil cetacean, Pakicetus, is from the Early Eocene Epoch.

The meaning of CETACEAN is any of an order (Cetacea) of aquatic mostly marine mammals that includes the whales, dolphins, porpoises, and related forms and that have a torpedo-shaped nearly hairless body, paddle-shaped forelimbs but no hind limbs, one or two nares opening externally at the top of the head, and a horizontally flattened tail used f...

Dec 23, 2024 · Cetaceans are large aquatic mammals with streamlined bodies culminating in paddle-like tails called flukes. They are members of the infraorder Cetacea (under order Artiodactyla ) and are further subdivided into two parvorders: The baleen whales or Mysticeti (including the blue whale, the humpback whale, the bowhead whale, and others) and ...

Definition: An infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet.

Mar 5, 2020 · Cetacean is a word used to describe all whales, dolphins, and porpoises. Learn of the characteristics of cetaceans and how they survive in the ocean.