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The general depth of the inhabited waters is 4-30 meters, but Ye Hailong can also be found in waters at a depth of 50 meters. Juvenile Leaf Dragons generally live in shallower waters, while adult Leaf Dragons prefer to live at depths of less than 10 meters. Ye Hailong.
The Leaf Sea Dragon is an outstanding master of camouflage among sea creatures, and its camouflage props are delicate leaf-like appendages. The body of the leaf sea dragon is composed of bony plates, and extends out of the seaweed leaf-like appendages in all directions. In addition, Ye Hailong also uses its unique back-and-forth swaying movement to disguise itself as seaweed to avoid predators.
The body color of the adult leaf sea dragon can vary from green to yellowish brown depending on individual differences and the depth of the sea area inhabited. Ye Hailong is extremely camouflaged, its whole body is covered by leaf-like appendages, like a piece of algae floating in water, and it has green, orange, gold and other body colors. Only by wiggling its tiny fins or turning its two independent eyes will its whereabouts be revealed.
Ye Hailong has no teeth and no stomach, they live by eating krill and live in low-temperature waters of 10 to 12 C. Ye Hailong has no teeth, and its mouth is very special, long like a straw, which makes Ye Hailong suitable for sucking and feeding, and can suck other small sea creatures such as plankton, myss shrimp and sea lice into the stomach. Like the seahorses of the same family, Ye Hailong often has the phenomenon of "role reversal" in the process of incubating offspring.
August and March of the following year are the breeding seasons of the Ye Hailong. During mating, the female will discharge a certain number (usually 150-250) of the eggs of the dragon in a baby pouch made of two folds of skin at the tail of the male dragon, while the male is responsible for hatching the eggs. Eggs usually need to stay in the nursery sac of the male for about 2 months before they can hatch into larvae.
In recent years, due to the serious pollution of the shallow waters of southern Australia and the fact that the body of the Ye Hailong is not easy to swim, it often maintains a static habit, as well as a high ornamental value, so that this rare animal has been captured by some unscrupulous people. In addition, the probability of Ye Hailong from egg laying, fertilization, hatching to survival is very low, only 5%, so the relevant Australian departments have listed Ye Hailong as a key protected rare animal.
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It is sold at Xinhua Bookstore.
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It is a fish of the family Sea Dragon, a genus of fish in the genus Leaf Sea Dragon.
The average body length is 30 cm, and the body is made up of bony plates. The snout is tubular, internally toothless, elongated. The pectoral fin is located on the neck, and the dorsal fin extends along the spine to the entire back.
The body has hard spines that are used to defend against predators. Its body surface is covered with flattened, translucent appendages in the shape of many seaweed leaf petals. It often inhabits temperate coastal waters with a high concentration of macroalgae.
Lives in reefs, sandy beds, and seagrass meadows. The general activity depth is 5-15 meters.
Ye Hailong is good at camouflage and relies on seaweed-like appendages for mimicry. It has a withdrawn personality, likes to live alone, has weak swimming ability, and has a strong sense of direction. The staple food is mystic shrimp, but it also eats other small crustaceans, planktonic limb cultures, etc.
When feeding, the lower part of the snout is stretched out, and the prey is sucked in, and the prey is swallowed in its entirety. The lifespan of this species is 7-10 years. Ye Hailong has no obvious breeding season.
It is the male who is responsible for incubating the offspring. The average incubation period is 6-8 weeks. The larvae snout is short and has few leaf-like appendages.
They will live in shallow water for 2 days on the nutrients provided by the yolk sac. The larvae will be fully mature and fertile within 1-2 years. The body color is variable, depending on age, location, food and surroundings.
The body of the leaf sea dragon living in the shallow sea area is yellowish brown or green, the longitudinal stripes on the side of the body are pink, and the leaf-like appendages are brownish-green; The body of the leaf sea dragon living in deep water is grayish-brown or burgundy, with leaf-like appendages green, yellow-brown to light brown, longitudinal stripes on the side of the body white, and a white patch extending to the snout under the eyes.
The body surface pattern and appendages of the juveniles of Ye Hailong are black, and the ends of the appendages are blue. It is often inhabited in temperate coastal waters with water temperatures between 13 and 19 and a high concentration of macroalgae. Lives on reefs, sand beds, and seagrass beds and seagrass meadows near coral reefs.
The general activity depth ranges from 5 to 15 meters, and the minimum perching depth is 30 meters.
Ye Hailong has no teeth and no stomach, so they are eating almost constantly. This species hunts in large quantities over a wide area. The staple food is mystic shrimp, but it also feeds on other small crustaceans, plankton and small juvenile fish.
When feeding, the lower part of the snout is stretched out, and the prey is sucked in, and the prey is swallowed in its entirety. In winter, when food is scarce, they migrate to deeper waters.
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1.Solenognathus hardwickii (gray) - vertebrate phylum vertebrata, pisces, actinopterygii, syngnathiformes, syngnathidae
Gasterosteiformes: A collective term for more than 150 species of fish closely related to the seahorse. The body is very elongated, and like the hippocampus, it is covered by a bony ring. It has a long tubular snout, a small mouth, a dorsal fin, and often a small caudal fin.
Body length varies depending on the species, approximately.
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The breeding season runs from October to March, the male is in charge of conception and hatching, during mating, the female sea dragon will arrange about 120 eggs in the brooding sac on the tail of the male sea dragon, the male sea dragon is fertilized, and after 30 35 days hatches a small sea dragon 20 mm long.
Like the seahorse, the most special thing about the sea dragon is that the male is also responsible for pregnancy and childbirth. During mating, the female lays 150 to 250 eggs in a baby pouch at the tail of the male, and the male lays these baby eggs for six to eight weeks until they become miniature baby dragons and give birth to them. The breeding season is from August to March, during which a male can usually hatch two litters of eggs, but unfortunately, only about 5% of baby cubs have a chance of surviving in the natural environment.
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It inhabits at a depth of 4 30 meters, with a body length of up to 35 centimeters, inhabits the sea area of the mixed reef and sand, is carnivorous, preys on small crustaceans, plankton, seaweed and other small floating debris for food, and will imitate seagrass to float with the waves, and the female leaf-shaped sea dragon parasitizes the eggs on the tail of the male sea dragon until the eggs hatch. Can be used as an ornamental fish.
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3 All of them prey on plankton, seaweed, and other small floating debris, and are also in danger of being captured by humans. The female leaf-shaped sea dragon parasitizes the eggs on the tail of the male sea dragon until the eggs hatch. Currently, the leaf-shaped sea dragon is facing a danger of contamination and the fact that because of its special appearance, divers are intending to capture it as a collectible.
Based on these crises, Australia** has listed the leaf-shaped sea dragon as a conservation creature.
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