Are whales a mammal?

Are whales a mammal?

Whales, along with dolphins and porpoises, are warm-blooded mammals and breathe air like humans do. There are some significant differences between whales and fish: Whales are warm blooded. Whales give birth to live young.

What mammals live in the ocean?

Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and walruses), sirenians (manatees and dugongs), and marine fissipeds (polar bears and sea otters).

Are whales saltwater animals?

Whales are marine mammals and make up part of the cetacean family, including whales, dolphins, and porpoises. In fact, all known whale species live and thrive in saltwater environments rather than freshwater, and there are several reasons for doing so.

What fish are considered mammals?

what are they? Dolphins, whales, seals, sea lions, and otters are all mammals. They give birth to live young and nurse their young with milk. In contrast, even though some sharks give birth to live young, sharks are fish.

Is a penguin a mammal?

Penguins are fish, mammals, or amphibians because they live in water, on land, or both. Penguins are birds, even though they spend time on land and in water. Their motion in the water more closely resembles flying than the swimming motion used by other animals. Polar bears eat penguins.

Is a penguin a carnivore?

Like other birds, penguins don’t have teeth. Penguins are carnivores: they feed on fish, squid, crabs, krill and other seafood they catch while swimming. During the summer, an active, medium-sized penguin will eat about 2 pounds of food each day, but in the winter they’ll eat just a third of that.

Is a chicken a mammal?

Chickens are not mammals. So far, it looks like chickens and cattle, continuing with the example, have more in common than not. But to get to the answer of mammal or not we have to dig deeper. All animals are classified into what is called family groups.

Can fish hear you?

However, yes, they can hear your voice. They just know someone is speaking. They can associate sounds with action, though. For example, if you are to say your betta fish’s name – let us call him George – each time you sprinkle food in his aquarium, he will eventually associate the sound of “George” with food.

How do I know if my fish are happy?

Your fish are happy and healthy when they:

1. Swim actively throughout the entire tank, not just hanging out or laying at the bottom, floating near the top or hiding behind plants and ornaments.
2. Eat regularly and swim to the surface quickly at feeding time.

Do fish feel emotion?

Because fishes lack faces like ours, we assume that their mask-like features mean they do not experience feelings. And because fish cannot cry out, we interpret their silence as meaning they do not perceive pain—even as their gasping mouths and flopping fins on a ship’s deck indicate otherwise.

Does a fish feel pain when hooked?

It could lead to major changes in the fishing industry. That their brains are not complex enough to experience pain. That their behaviors when stressed — such as wriggling violently on a hook — are just unconscious reactions, disconnected from the suffering of sentient beings.

Do fish know they’re in a tank?

So they learn the tank, but they don’t really understand the tank. Fish don’t have much higher level thought, most of what they do is more instinctive than cognitive. Its seems very unlikely that they know or even have any concept that they are in a tank. Some fish might even be able to tell different humans apart.

Why does cut grass smell bad?

Chemically speaking, that classic lawn smell is an airborne mix of carbon-based compounds called green leaf volatiles, or GLVs. Plants often release these molecules when damaged by insects, infections or mechanical forces — like a lawn mower. GLVs are small enough to take to the air and float into our nostrils.