What kind of animals belong to the heart of the sea, and what kind of animals are in the sea?

What kind of animal is a starfish?

echinoderms).

Animals in the sea include: sharks, starfish,Dolphins, whales, shells, octopuses,Squid, jellyfish, seahorses, lobsters,Sea lions, coral, crab, octopus, sea cucumber, squid, shrimp, dolphin, mouth fish, clownfish, sea lions, goldfish, butterflyfish, flounder, thorny river fish, sea snakes, etc.

1. Blue stripe upside down.

Adult blue-striped upside hangers often swim happily in the waters off Mexico. The blue-striped upside-down belongs to the Spiny Tail, Caribbean.

There are a lot of blue veins hanging upside down in the domain, especially in the coral reef area. As they age, their color changes from bright yellow to dark blue.

Gray or purple.

2. Clownfish.

Clownfish often make their home among sea anemones because they protect them and their hatched eggs from intruders. Bound by reciprocity, clownfish live with their owners anemones throughout their lives and rarely stay away from them.

3. Mantis shrimp.

The photographer captured the beautiful posture of the praying shrimp in the waters of the Lembeh Strait in Indonesia. The shrimp hunts by waving its stiff claws, and its bulbous eyes are considered to be the most complex eyeball structures in nature.

4. Imperial angelfish.

The alternating stripes on the body and fins of the imperial angelfish attract the eye of many nature lovers. They prefer to live alone, or in pairs, and prefer sponges and sea squirts.

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5. Flower cap jellyfish.

The lilac head of this rare flower-capped jellyfish is seductive, but also dangerous, and it can be very painful to sting when stung by it. People in Brazil, Argentina.

And found in southern Japan, this species has antennae that can unhook coils and be used to catch small fish and other food.

There are turtles, dolphins, starfish, walruses, seahorses, squid, squid, blue whales, killer whales, blue-ringed octopuses, humpback whales, sperm whales, and other animals in the sea.

1.Sea turtles: belong to the order of turtles, turtles, and turtles.

The disturbance section is widespread in the Atlantic, Pacific and Indian Oceans. Chinese sea turtles are found in the coastal waters of the Beibu Gulf from Shandong in the north to the south of the Beibu Gulf. It can be more than 1 meter long and has a lifespan of about 150 years.

There is a pair of forehead scales on the top of the head.

2.Starfish: It is the most representative group of echinoderms with structural physiology.

The body is flattened, mostly symmetrical with five radiations, and the demarcation between the body disc and the wrist is not obvious. When living, the mouth faces down, and the mouth faces up. The ventral side of the belly has a step groove, and the groove protrudes from the tube foot.

The plates of the endoskeleton are connected by connective tissue and are flexible and flexible.

3.Dolphins: with morphological traits typical of toothed cetaceans:

spindle-shaped body; a single crescent-shaped breathing hole; skull intussusception, postmaxillary extension overlapping with nuclear frontal bone; left-sided asymmetry of the cranial parietal; conical or nail-shaped teeth, etc. The most obvious variations are related to feeding organs such as beaks, upper and lower jaws, and teeth.

4.Walrus: An animal of the genus Walrus in the family Walrusidae. As the name suggests, the elephant in the sea has a large body, wrinkled skin, sparse bristles, small eyes, and poor eyesight. It has two long teeth.

5.Seahorse: It is a general term for several small fish of the family Hydrosauridae, which is a small marine animal with a length of 5-30 cm.

It is named because the head is bent and the body is close to a right angle, the head is in the shape of a horse's head and forms an angle with the body, the snout is long and tube-shaped, the mouth is small, and the dorsal fin is one, all of which are composed of fin bars. The eyes can move independently.

6.Squid: also known as soft fish, spear squid, is an animal of the mollusc phylum Cephalopoda Sheath subclass Decabrae Cyclophyta Squid Eye-opening suborder.

The body is conical, pale, with light brown spots, a large head, 10 tentacles in front, and a triangular fleshy fin at the end of the tail, often swimming in groups in the ocean at a depth of about 20 meters.

7.Blue whale: is a marine mammal that belongs to the suborder Baleen Whales.

There are four subspecies. The blue whale is believed to be the largest animal known to have ever survived on Earth, reaching up to 33 meters long and weighing up to 181 tons. The blue whale has a slender body and a blue-gray back, although it can sometimes be lighter in the water.