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Aquatic Mammals

This section is for questions about those mammals that live most, if not all of their lives in the water. With specially adapted breathing abilities, these swimmers are some of the most intelligent creatures known.

1,031 Questions

What is meant by 'water habitat'?

A water habitat refers to an environment where organisms live in or around water, such as lakes, rivers, ponds, and oceans. These habitats provide essential resources like food, shelter, and breeding grounds for aquatic organisms such as fish, amphibians, and various water-dwelling plants and invertebrates. Protecting water habitats is crucial for maintaining biodiversity and ecosystem balance.

Do whales live in mutualism with fish?

Some species of whales engage in a form of mutualism with fish. For example, certain types of whales may work together with fish to capture prey by herding them into a concentrated group for easier feeding. This behavior benefits both the whales and the fish involved.

How do whales use pleats?

Whale PleatsThroat pleats, or throat groves),allow the throat to expand a great deal (kind of like an accordion) This usually happens when the whale is catching masses of small fish with big gulps of water. This forms a pouch called a gular pouch.

Do whales use courtship?

Yes they do. For example, when a female humpback whale reach her breeding grounds, she will announce her arrival by turning onto her back, and slapping the water with her huge flippers. Several males will soon come on the scene, the female will then swim away, with her suitors giving chase for hours. Each male will compete with each other, to be by the females side. These chases can get very aggressive, and humpbacks have been known to be killed fighting for the females acceptance, and the right to mate. Constantly banging into each other, using deep bellowing sounds, and masses of bubbles to intimidate, they breach out of the water, trying to submerge their rivals; Until finally the victor breaks free to be by the females side, and everything goes calm once more.

The female actively encourages this behavior, to ensure that she has secured the strongest male to breed with. Only then, will the male and the female descend into the depths, where mating will take place.

What are sea creatures classified as?

Sea creatures are classified as organisms that live in marine environments, including fish, mammals like dolphins and whales, invertebrates such as jellyfish and squids, and other aquatic organisms like sea turtles and seahorses. They play important roles in marine ecosystems and come in a wide variety of shapes, sizes, and habitats.

How do Dolphins hide from predators?

Dolphins rely on their speed and agility to evade predators. They may also use their ability to dive deep underwater or swim in a group to confuse predators. Additionally, dolphins have a keen sense of hearing and echolocation, helping them detect threats in their environment.

A hard shelled sea creature that starts with the prefix bar?

A hard-shelled sea creature that starts with the prefix "bar" is a barnacle. Barnacles are small marine crustaceans that attach themselves to hard surfaces, such as rocks or the hulls of ships, using a strong, adhesive cement.

Can a saltwater crocodile kill an Orca?

It is highly unlikely for a saltwater crocodile to kill an Orca, as Orca whales are much larger and more powerful predators. Crocodiles are typically ambush predators that target smaller prey in the water, whereas Orcas are apex predators that have been known to hunt and kill crocodiles in their habitat.

What s a female whale called?

A female whale is called a cow, and the male is called a bull.

Are vaquitas herbivores?

well its not because there is no fish that eats plants

Plastic bags and garbage account for killing how many sea creatures a year?

It is estimated that around 100,000 marine animals die each year as a result of plastic bag pollution. This includes animals such as sea turtles, whales, and seabirds who mistake plastic bags for food or become entangled in them.

How do whales produce sound?

Whales produce sound through structures in their bodies called "phonic lips," which vibrate and emit sounds. These sounds can range from low-frequency rumblings to high-frequency clicks and whistles, depending on the species. Whales use vocalizations for communication, navigation, and locating prey in their underwater environments.

Do whales have two brains?

No, whales do not have two brains. They have a single brain like other mammals, but it is highly complex and adapted for their aquatic lifestyle. The belief that whales have two brains may be a misunderstanding of their large brain size and unique neurological adaptations.

What is the largest member of the order Carnivora?

The largest member of the order Carnivora is the polar bear (Ursus maritimus), which can weigh up to 1,500 pounds and reach lengths of over 10 feet.

How long is a whales tail?

A whale's tail, also known as a fluke, can vary in size depending on the species. On average, a whale's fluke can be between 10 to 12 feet wide.

Do walrus hibernate or migrate?

Walruses do not hibernate, but they do migrate with the changing seasons. They travel long distances in search of food and suitable breeding grounds. In the winter, they often migrate to warmer waters with more abundant food sources.

How do sea creatures breathe under water?

Sea creatures breathe underwater using gills, which extract oxygen from the water. Gills are equipped with thin membranes that allow oxygen to pass through and carbon dioxide to be released. This process enables sea creatures to extract oxygen from the water in order to survive.

These creatures are basket-shaped and live in colonies?

Sponges are basket-shaped creatures that live in colonies attached to surfaces underwater. They are filter feeders that rely on water flow to bring them food.

How many ribs does a pilot whale have?

Pilot whales typically have 13-16 pairs of ribs, for a total of 26-32 individual ribs.

What Arctic animals eat seaweed?

Arctic animals that eat seaweed include walruses, some species of seals, and certain species of fish such as the Arctic cod and the Arctic char. These animals rely on seaweed as a source of food and nutrients in their cold, harsh environment.

What are the harmless sea creatures?

Some examples of harmless sea creatures include jellyfish, sea stars, sea anemones, and certain species of small fish like clownfish or damselfish. These creatures generally do not pose a threat to humans and are essential parts of the marine ecosystem.

What are all the sea creatures?

Well you can name all the sea creatures discovered but it would take months! And it is not possible to name ALL of the sea creatures living today, most of the earth is covered in water, and we haven't even discovered half of it!

What is the largest land mammal to have ever lived?

Indricotherium is an extinct early relative of modern rhinos that lived during the late Oligocene and early Miocene Epochs of the Cenozoic Era. It was also the largest land mammal ever to live on land, at about 25 feet

long, 17 feet tall, and weighing nearly 18 tons. In terms of weight, it was four times larger than a modern day bull elephant and rivaled the size of large sauropod dinosaurs that lived during the Mesozoic. Fossils of indricotherium have been unearthed in the Baluchistan province of Pakistan.

Do dolphins hunt in pods?

Bottlenose dolphins appear to sometimes work in groups to herd and catch fish and other prey. They organise themselves in wide groups, rather than concentrated groups. Herding may involve the group circling the smaller fish whilst one dolphin at a time takes its turn to go in and feed, or it may involve herding them up onto a sandbank or reef. Sometimes, a couple of the dolphins in the group, or pod, will dive beneath a school of fish, virtually pushing them upward to the rest of the dolphins waiting to feed. They have even been observed hitting the fish with their tails to temporarily stun them.

Bottlenose dolphins will not eat all the resources in one area, but always leave some and move on to new feeding grounds.
Bottlenose dolphins eat many kinds of fish, squid, shrimp and small rays and sharks. ~Quoted from the answer to a similar question: "How does a bottlenose dolphin get its food?"