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Dolphin diet.
Dolphins are the most popular eaters of fish and squid, eating about 4% to 8% of their body weight each day.
They weigh about 200 kilograms, so they eat about 15 kilograms of food a day. in Ocean Park.
The food that living dolphins eat is mainly Yokosawa fish, mackerel, and sand imported from the United States.
Fish, squid and capelin, because foreign supplies are more abundant and stable, and food.
There is less chance of contamination.
Dolphin sleep.
Dolphins do not have a prescribed sleep time, they may sleep during the day or at night.
When they sleep, they usually float close to the surface and only rest one of their brains, and the other.
On the other hand, they continue to operate, because in the ocean, they are very comfortable if they are asleep.
Vulnerable to enemy attacks and unable to escape.
Special ID card.
Dolphins use high-frequency waves to communicate with their companions, and they can produce 32 sounds, each with its own unique call that can be used to identify itself.
Sophisticated sonar system.
Dolphins belong to the cetaceans. All cetaceans have specific sonar systems, among which dolphins are the most sophisticated, which can use sound waves to accurately measure the shape of nearby objects 6 4 materials 6 4 positions, and the whole process only takes 2 seconds.
Do dolphins die of thirst?
Although dolphins live in the sea, their bodies do not need water from the seawater, but depend entirely on the water in the fish they eat. As long as they do not eat fish for more than 3 days, they will lose water and die. Since dolphins are used to eating live fish in the sea, the sea is not used to eating dead fish when they are raised!
The sea bully --- killer whale.
There are about 60 species of dolphins in the world, and they are found in almost every ocean. Silly killer whales are also a type of dolphin, and they have a very fierce temperament, and one killer whale is said to have eaten 13 dolphins and 6,415 seals at a time. But they have a high IQ, and if they are raised from a young age, they can train the animal stars of the water world!
Roll call Dolphins often jump over the sea in groups This is a roll call form of dolphins, indicating two signals: departure and return; And if they maintain a certain speed and jump forward regularly, they can also reduce the resistance of the water!
How dolphins communicate with each other.
If we try to open our eyes in the water, we don't see much; But on the contrary, as long as you have a pair of special ears, you can hear very clearly in the sea. Dolphins, like their close cousins, cetaceans, make strange noises throughout the day, which can be transmitted for many kilometers, which is the language of dolphins. It's complex, but it's a great way to communicate with their peers or send a signal of acknowledgement. It also relies on this sonar system to hunt food, such as pleasure fish 6 4 squid, etc.
But sometimes because they touch the beach, the ultrasound is misguided, and they are trapped on the beach, resulting in life-threatening conditions.
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The dolphin is an animal that lives in water, and it is also a class of carnivores. Their main food is some small fish, shrimp, crabs, squid, etc. in the water. It can be seen that there is still a lot of food that dolphins can eat.
Among these types of food, the most popular type of food for dolphins is squid, which is often referred to as squid. In addition, small fish are also a common food for dolphins, and there are many types of fish. Due to the large size of dolphins, some medium- and large-sized fish may also become food for dolphins.
The dolphin's mouth is generally pointed, and it has many teeth in its mouth, and the number of teeth in the upper and lower jaws can be about 100 combined. These teeth are sharper and thinner, allowing them to crush food.
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In a word, it is to eat meat.
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Dolphins eat fish and squid.
Dolphins feed mainly on fish and squid, with killer whales also preying on other cetaceans and pinnipeds. Like other toothed whales, dolphins rely on echolocation for predation and can even stun prey with loud pitches.
Newborn dolphins feed mainly on their mother's milk, so they follow their mothers closely from birth until they are about three years old, when they learn fishing and other survival skills, and then gradually move away from their mothers and live with their friends.
Mode of reproduction
It takes about 5 years for females to become sexually mature and ovulate, but it takes a few more years for them to become truly fertile. Once the male dolphin matures, he soaks in the female group all day long, looking for his "favorite person". Once they fall in love, they use lightning tactics and leave the country immediately after mating.
As mammals, dolphins have many characteristics that are similar to humans. However, because dolphins live in the sea, they are born in a slightly different way from humans on land. Dolphin cubs are born with their tails first, while human babies are born with their heads first.
Females usually have to be pregnant for 11 months before giving birth to calves.
The above content reference: Encyclopedia - Dolphins.
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Dolphins eat fish and squid, but also prey on mammals (such as whales, pinnipeds) as well as birds and large fish.
Like other toothed whales, dolphins rely on sonoclocation for hunting and can even stun prey with loud vocal intensity.
Dolphins don't dive as long and deep as other cetaceans. Fast and juggling, dolphin swimming is a unique way of swimming in the dolphin family, where the whole body jumps out of the water at a small angle and enters the water at a small angle, which is one of the ways to distinguish dolphins from other cetaceans.
Dolphins swim fast, usually at a maximum speed of about 30-40 km per hour, and some species of dolphins can reach speeds of more than 55 km per hour and can maintain a long time, making them the champion of long-distance swimming in the ocean.
Extended information: Dolphins are large predators at the top of the food chain and are largely unendangered by marine life except for the more ferocious sharks. It can be said that dolphins are facing such a survival dilemma, and the biggest driving force behind it is still humans.
The development of the global fishing industry has brought about unprecedented fishing intensity and breadth, and it can be said that wherever there are fish, there will be more and more modern fishing tools and means. Despite the availability of more environmentally friendly fishing techniques, traditional methods are still widely available.
Bringing disaster to dolphins all over the world. The intention is to catch fish, but the problem of catching dolphins by mistake still happens from time to time; In one net, the big fish and small fish are all caught in the net, and the dolphins can only watch their food become a human meal.
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Dolphins eat small fish, shrimp, crabs, squid, etc. Among them, dolphins are most interested and favorite is squid.
Dolphins rely on echolocation for predation and can even stun prey with loud pitches. They eat by swallowing, and seawater is also sucked into their stomachs to maintain the balance of water in their bodies, and only when hunting do they use their teeth.
Dolphins belong to the cetacean and porpoise families. These are a type of toothed whale that have more sharp teeth. When dolphins hunt, their teeth play an important role and can prey on many creatures in the ocean.
In terms of eating habits, dolphins are carnivores. Dolphins generally do not chew when eating. Swallow it like that.
At the same time, it is the seawater that is swallowed by the belly, which is also necessary for the dolphin to carry out normal life activities. Its teeth are not very useful when eating, but mainly when hunting, grabbing prey and lowering it.
Puffer fish mainly eat freshwater shrimp, crabs, juvenile fish, mussels, insect larvae, cladoperas, plant stems and leaves, etc. It rages in nature, from the period when juveniles grow teeth to when adults sometimes bite each other. It is said that, like dolphins, sometimes chase fish en masse to improve predation efficiency, and there are sensitive hairs on their chins, which are tactile organs that hunt crustaceans in the dirt.
Profile of the dolphin:
Dolphin is a group of aquatic mammals in the dolphin family, which is a small or medium-sized toothed whale, which lives widely in the world's oceans, and is also distributed in brackish and fresh water near inland seas and river estuaries, and some species are found in inland rivers. They have complex brain sulcus, good memory, can learn many movements under human training, are one of the animal families with the highest IQ, have a gentle, friendly, lively and active personality, and are generally loved by people all over the world.
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Dolphins eat small fish, small shrimp, small crabs, and squid.
Wait. Among them, the most interesting and favorite food for dolphins is squid. However, because there are not as many squid in the ocean as fish, the main food that dolphins eat is fish.
They use their teeth to hunt, but when they catch their prey, they swallow it without chewing with their teeth.
Dolphins belong to the cetacean and dolphin families.
creatures. They belong to the category of toothed whales.
A kind that has a relatively large number of sharp teeth. Their teeth play an important role in dolphins hunting, allowing them to prey on many creatures in the ocean. In terms of eating habits, dolphins are carnivores.
When dolphins eat, they generally do not chew and swallow directly. Also swallowed in the stomach is seawater, which is also necessary for dolphins to carry out normal life activities. Its teeth play little role when eating, mainly when it hunts, and can catch prey and then swallow it.
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