Is a dolphin a fish?

Is a dolphin a fish?

Even though they live in the ocean all of the time, dolphins are mammals, not fish. Also, dolphins are different than "dolphinfish," which are also known as mahi-mahi. Like every mammal, dolphins are warm blooded. Unlike fish, who breathe through gills, dolphins breathe air using lungs.

Do dolphins and whales get along?

Many species interact in the wild, most often as predator and prey. But recent encounters between humpback whales and bottlenose dolphins reveal a playful side to interspecies interaction. … Whales and dolphins in Hawaiian waters often interact, but playful social activity such as this is extremely rare between species.

Are dolphins dangerous?

More widely, scientists and Federal officials worry about dolphins' injuring or even killing humans, especially given the rise in watching, feeding and swimming programs. ''Wildlife can be dangerous,'' said Trevor R. Spradlin, a Federal dolphin expert. ''But people see marine mammals differently, particularly dolphins.

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Do dolphins have teeth?

Bottlenose dolphins have 72-104 teeth. They only get one set of teeth for life! Dolphins do not use their teeth to chew, instead they use their teeth to catch their food and then they swallow it whole.

Do dolphins sneeze?

While dolphins do not sneeze in the way a land animal does these marine mammals are able to voluntarily cough or exhale oxygen at an extremely fast pace when they are sick or suffering from a respiratory infection, which allows the dolphin to remove debris or germs that could cause a respiratory infection or block the …

Do whales smell like fish?

Most whales don't know how bad they smell. … Because all vertebrates come from the sea, smelling actually evolved there, too, says Dr. Keith Tierney, a fish olfaction expert at the University of Alberta. (Indeed, he points out, all olfaction arguably occurs underwater, as it requires the mucus in your nose.)

Do sperm whales have teeth?

The sperm whale's lower jaw is very narrow and underslung. The sperm whale has 18 to 26 teeth on each side of its lower jaw which fit into sockets in the upper jaw. The teeth are cone-shaped and weigh up to 1 kilogram (2.2 lb) each.

Do whales have nails?

A strong, yet flexible material made out of keratin, a protein that is the same material makes up our hair, fingernails and toenails. Baleen whales have two blowholes; toothed whales have only one blowhole.

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What makes a whale a whale?

They include blue whales, humpbacks, right whales, bowhead whales, and others. They feed by straining tiny shrimp-like creatures called krill through the fringed plates of long, fingernail-like material called baleen attached to their upper jaws.

Are orcas and dolphins in the same family?

They are often confused for being a whale because of their name 'killer whale', but did you know that orcas are actually dolphins? In fact, they are the largest member of the dolphin family! Orcas are incredibly popular as they are the most widely distributed of all whales and dolphins, found in every single ocean!

Are all toothed whales dolphins?

Nearly 90% of cetacean species are toothed whales. Most toothed whales are small dolphins and porpoise, however there are a few large toothed whales such as the killer whale and the mighty sperm whale, which grows to 60 feet (18.3 meters) in length.

Is a dolphin a porpoise?

Dolphins tend to have prominent, elongated “beaks” and cone-shaped teeth, while porpoises have smaller mouths and spade-shaped teeth. The dolphin's hooked or curved dorsal fin (the one in the middle of the animal's back) also differs from the porpoise's triangular dorsal fin.

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Are dolphins sharks?

Sharks are fish. Dolphins are part of the Cetacean family, which also includes whales and porpoises. … Sharks are part of the subclass Elasmobranchii, which also includes rays, skates and sawfish, and most sharks are cold blooded.

Do whales have dorsal fins?

Their body is dark gray on top and white underneath. They have a small, curved dorsal fin and they have small pectoral fins.

Is a whale a pinniped?

The word pinniped means fin or flipper-footed and refers to the marine mammals that have front and rear flippers. This group includes seals, sea lions, and walruses. These animals live in the ocean but are able to come on land for long periods of time. Millions of years ago, the ancestors of pinnipeds lived on land.

Is the killer whale a dolphin?

The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey.

What do killer whales eat?

Orcas are apex predators, at the top of the food chain. No other animals (except for humans) hunt orcas. Killer whales feed on sea birds, squid, octopuses, sea turtles, sharks, rays and fish. They also eat most marine mammals, such as seals and dugongs.