Whales are warm blooded. Fish are cold blooded. Whales breathe air through lungs. Fish use gills to extract air from water.
What do whales and fish have in common?
Whales are marine mammals. They are warm-blooded animals that breathe through lungs.
Despite these difference, whales and fish are similar in many ways:
- Both the animals live in water.
- Both are vertebrates.
- Whales and fish possess fins to swim.
- Both have an internal skeleton.
Why whale is not a fish?
Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water. Fish are cold-blooded, so their body temperature changes depending on the temperature of their environment. … Fish lay eggs, which must still grow into a baby fish. So whales are indeed mammals and not fish!
Is Whale fish or not?
ARE WHALES FISH? Whales are not fish.
Why whales and dolphins are not fish?
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.
Is Shark a fish or mammal?
Unlike whales, sharks are not mammals but belong to a group of cartilaginous fishes.
What type of fish is a shark?
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays.
What is the biggest fish?
The biggest fish in the ocean is the Rhincodon typus or whale shark. Despite their tremendous size and intimidating appearance, whale sharks are commonly docile and approachable.
Are whales dangerous?
No, whales aren’t typically dangerous. Because whales are too large to be held in captivity and live far away from land most of our close interactions with the cetacean species involves spending time with dolphins. … Note: The cetacean species consists of all species of whale, dolphin and porpoise.
Is a whale a?
Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea, usually excluding dolphins and porpoises.
|Whale An informal group within the infraorder Cetacea|
Can a person be swallowed by a whale?
For the most part, whales are not able to swallow people. In fact, most whale species have throats that are far too small to be able to swallow an adult, so they wouldn’t be able to swallow a person if they tried.
Can a whale eat you?
Whales, in general, are not capable of swallowing a human being and therefore will not eat you. However, there is a species of whales that does pose a legitimate challenge to that general theory: sperm whales.
Is Octopus a fish?
Invertebrate. Even more broadly, octopuses are invertebrates. This classification includes all animal species except those belonging to the subphylum Vertebrata, which includes fish, mammals, reptiles, birds and amphibians. Invertebrates are characterized by their lack of a backbone.
Are dolphins dangerous?
Dolphins are large and powerful marine predators and interacting with them poses serious health and safety concerns for both people and animals. … Dolphins at swim-with attractions have been known to seriously hurt humans by butting them and the resulting injuries have included lacerations and broken bones.
What fish is similar to a dolphin?
Dolphinfish. The dolphinfish is also often called mahi-mahi, and not at all related to the marine mammal dolphins. This colorful, distinct fish has a long body and a blunt face, with a forked caudal fin (tail), and a dorsal fin that runs the length of its body.
Is dolphin a whale?
First thing’s first: all dolphins are whales, but not all whales are dolphins. … It may sound confusing, but all dolphins are simply smaller types of whales. The whale order (Cetacea) is divided into several different families, one of them being Delphinidae (this includes all oceanic dolphin species).