Golden arowana pictures Daquan appreciation video (golden arowana pictures Daquan appreciation video playback)
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The contents of this article:
- 1 、There are several kinds of arowana, and explain in detail, it is better to have pictures
- 2 、What are the species of arowana and which are more expensive?
- 3 、What is the golden arowana like? Picture
There are several kinds of arowana, and explain in detail, it is better to have pictures
Asia: red Dragon, Golden Dragon with back, Golden Dragon with Red tail, Azure Dragon
America: silver Belt, Black Belt, Walrus
Australia: Pearl Dragon, Star Pearl Dragon
Africa: black Dragon
[red Dragon] has bright red marks on its cheek cover, and the colors of fish scales are red, orange, crimson, blood red, etc. Generally speaking, the color of No. 1 red dragon is red, which can be divided into pepper red dragon and blood red dragon, while No. 2 red color is orange.
Enjoy the video of Golden arowana PicturesThe golden scales, not only that, but also the color of gold will deepen with the increase of Fish age. Gold on the back has several different background colors, but most of them are purple. ItsEnjoy the video of Golden arowana PicturesHis rarer colors are blue, green and gold.
[red-tailed golden dragon] the red-tailed golden dragon is characterized by dark green on the back of the fish and brown on the upper part of the dorsal and caudal fins. The scale frame is shining golden yellow, and the golden color of a good golden dragon will even reach 1par 2 of the scale. There is no red imprint in the operculum, but it is completely bright golden yellow.
[Azure Dragon] the scales are cyan, the fins and body color are bluish yellow, the body is smaller than other arowana, and the lateral line is particularly obvious. Good Azure Dragon's upper body will have a touch of blue or purple, if not, it is the cheapest kind of arowana. The head of adult fish is also rounder and smaller.
[silver belt] its body is flat and long, the head is big and the tail is small, it has a pair of long dragon whiskers and big eyes, the body color is silver, the dorsal fin end is slightly pink, and its body length can be up to 100 centimeters. it is the mildest species of arowana.
The size of the black belt is similar to that of the silver belt, except that when the fish is young, the body is slightly black, and when it grows up, the black gradually fades, the scales turn silver, and the fins turn dark blue. When they are very large, they tend to be black, purplish and cyan. This kind of fish is easily frightened, and its physique is weak, so it needs careful care.
[walrus] the fish can grow up to 5 meters and weigh up to 400 kilograms. It is generally difficult to raise in an Aquarium and is eaten as meat by indigenous people in Brazil. This fish is not similar to arowana, its body color is black, chubby, thick scales, head like tiger head, hard, when young, the body is dark green, caudal fin black, when growing up, the scales will have red scale frame; this fish does not have whiskers, growth compared with the general arowana, the growth situation is fast, a year weight up to 3 to 5 kilograms, rapid reproduction, 4 fish at the age of 5 can lay eggs, the number of more than one hundred thousand. With an egg diameter of 1.8 centimeters, this fish is very popular in Japan because it is a giant among freshwater fish.
Pearl dragon, also known as Australian dragon, is small in size, narrow in width, short and unstiff beard, light brown, golden yellow or grayish green in color, caudal fin, dorsal fin and anal fin with golden markings and scales with silver in yellow. the body length is about 50-70 cm. Pearl dragon is a very strong one, the character is the most ferocious, very aggressive, not suitable for mixed culture.
The star pearl dragon has a slender body, dark brown and green olive on the back, silver on the side, one or two small red spots in the center of the silver-white scale, red spots on the fin, and a very short beard. The average body length can reach 50 cm to 60 cm, with a maximum of 90 cm.
[black dragon] is the largest known freshwater fish species, with a body length of more than 3 meters, and the longest on record is 15 meters. The body color of male fish will be red from the tail scales to 2 inch 3 as they grow, while the body color of females will be black. African black dragon is relatively flat and round, thick head, special is toothless, and using the tongue to eat, can also be eaten by the Gill, that is, filtered by the Gill, through the secretion of mucus adsorption of microorganisms or plankton into the back, is its peculiarity. Adult fish can grow to about 1 meter, weigh up to 6 kilograms, and the egg diameter is about 1 centimeter. This fish is good at jumping, so the aquarium should be covered with glass to avoid jumping out.
What are the species of arowana and which are more expensive?
Arowana is a large freshwater fish. It existed as early as the ancient Carboniferous. The discovery of the fish began in 1829 in the Amazon basin of South America, when it was named by American ichthyologist Dr. Vandell. In 1933, the French ichthyologist Dr. Peiru Gao Lan discovered the Red Arowana in Saigon, Vietnam. In 1966, French ichthyologist Bran and Patten discovered another species of arowana in Phnom Penh. After that, experts and scholars from some countries successively discovered other arowana species in Vietnam, Peninsular Malaysia, Sumatra, Benga, Biborneo and Thailand in Indonesia, so they divided the arowana into golden arowana, orange-red arowana, golden arowana, platinum arowana, green arowana and silver arowana. The introduction of aquarium as an ornamental fish began in the United States in the late 1950s and did not become popular all over the world until the 1980s.
The arowana shines cyan all over, the round scales glow pink after being illuminated by the light, and the fins also show a variety of colors. Different arowana have different colors. For example, the juvenile red dragon fish of Southeast Asia has small red scales and white reddish scales, the edges of the operculum and Gill tongue are crimson when grown up, and the scales sparkle; the scales edges of Golden Dragon, Platinum Dragon and Azure Dragon are golden, platinum and cyan, respectively, among which those with fuchsia patches are the most precious. The main feature of this family arowana is that its swim bladder is reticulate and often has suprabranchial organs.
Arowana is a carnivorous fish, from juvenile to adult fish, must be fed with animal bait, in order to feed small fish is the best. Animal viscera, easy to harm the digestive system, can not be fed. The artificial compound feed is mostly fed with shrimp feed (floating). One thing to remind you is: fish and people need a variety of nutrients, can not feed a kind of bait, should develop a nutritious menu to ensure its nutritional balance.
The arowana can adapt to a water temperature of 24-29 ℃, and can even adapt to a temperature of 22-31 ℃ if the fish only adapt well. However, arowana, like other ornamental fish, avoid sharp changes in water temperature.
Chinese mainland is called "dragon fish", Hong Kong people call it "dragon spitting beads" (probably because the young dragon's yolk sac looks like dragon balls), Taiwanese call it "silver belt" and Japanese call it "silver boat broadsword". Osteoparyngoid fishes are found in four places: Asia, South America, Australia and Africa. Mainly produced in Indonesia and Malaysia.
There are many kinds of arowana, mainly Asian dragon, American dragon and Australian dragon.
Asian dragons include: red Dragon (Pepper Red Dragon, Blood Red Dragon, Orange Red Dragon), Golden Dragon (Golden Red tail Gold), Azure Dragon (Azure Dragon Huanglong). In addition, there are some dragon fish with impure blood (No. 1 and a half Red Dragon No. 2, Red Dragon with High back, Golden Dragon and White Golden Dragon). The price of pure blood mentioned earlier is generally between 10, 000 and 50, 000.
American arowana includes: silver dragon, black dragon, elephant fish.
Australian arowana: star dragon, star spotted dragon
African arowana: Nile arowana
As a novice, entry-level dragons are recommended to choose silver dragons (between 50 and 400 yuan in size, even if they die without too much heartache) or Azure Dragon (the price of young dragons is about 100 yuan).
In addition, if you plan to choose a low-grade dragon training hand, and then want to choose high-grade dragon breeding, then choose Azure Dragon. Because Azure Dragon, like the Red Dragon and the Golden Dragon, are Asian dragons with similar living habits. The silver dragon belongs to the American dragon, which is quite different from the Asian dragon, and the feeding of the silver dragon is too simple compared with the red dragon and the golden dragon.
Let me tell you some shopping points for arowana.
According to international rules, only arowana with a body length of not less than 15cm can be traded.
Choose the arowana that is lively, natural, energetic and majestic. In the aquarium may see some obviously sunken abdomen arowana, this is because of less food, such arowana is not easy to raise, it is best not to buy.
From the left and right sides, whether the proportion of fish is normal and coordinated. Seen from above, the fish curve is symmetrical, smooth and straight, there can be no bending, and any skewed part cannot be accepted. The head of the arowana must also be slowly tilted to its back, the inclination should not be too large, to maintain the natural state.
The size of the eyes must be the same, in proportion to their body length and height. From the front, the eyes on both sides should be parallel, face squarely, and there is no tilt; the eyes on both sides are symmetrical, large and vivid, protruding and flexible in rotation, and clinging to the eye sockets. The brighter the eyes are, the more excellent they are. Godless fish eyes, there are sagging and turbid phenomenon, drooping eyes will affect the overall beauty of arowana. The arowana that preys on the food at the bottom of the aquarium box for a long time will get ptosis.
The pectoral fins should be symmetrical, uniform in size, extended and complete to the left and right, with smooth radians and fully open when the fish turn. The pectoral and ventral fins must be straight and not distorted. The size of the caudal, anal and dorsal fins is proportional to their body length and height, especially the proportion of the three fins at the rear tail should be uniform and symmetrical with the fish as a whole. There is no doubt that the fins that are too large or too small affect the appearance of the arowana. Generally speaking, larger fins are more preferred. The color of the fins depends on what kind of arowana you buy. If it is a red dragon, the more red the fins, the better. There should be no black spots. When buying first, try to choose the ones with large fins, bright colors and darker ones. When the arowana swims, the fins try to open outward, especially the dorsal fin, anal fin and caudal fin need to be large and complete and uniform; it is the best. If the arowana shrinks its fins tightly, or the fins are of different length, or are deformed, it means that the fish may be sick. Of course, the appearance of wrinkles on the fins will also affect the overall beauty and ornamental value of arowana, and its economic benefits may be greatly reduced.
When picking first, carefully check whether the arowana's fins are damaged. If the damage to the fin is in the root, it is difficult for even the young dragon to recover completely, and if the injury is not in the root, it may regenerate. But sometimes the fins are just bent, and if enthusiasts care about the growth and beauty of the fins, they need to cut off the curved parts in order to naturally regenerate straight and long fins.
The caudal fin can also regenerate after injury, but if most of the caudal hard fin is damaged, it must be treated surgically. The method is to cut it with scissors and regenerate it, which can ensure the integrity of the growth of the caudal fin. Generally speaking, arowana needs to be placed in a larger fish tank, but if the larvae are placed in a smaller tank, the growth of the caudal fin will be better, because the larvae will not have sense of security to the large space, on the contrary, it is easy to have a negative impact on the growth of the caudal fin; on the contrary, in a smaller space, the larvae will be in a better mood, so the caudal fin will extend naturally will be better.
The fish presents a beautiful and dazzling color. A variety of arowana in different growth stages, its body will show different colors. The color and lustre of fish scales must be bright and bright, with no black spots. For example, when buying super red dragon juvenile fish (chili red dragon or hemosaur), you should pay careful attention to whether its caudal, dorsal and ventral fins are red, whether its pectoral fins are light red, and its body should have a light green or pink gloss, scales with a certain degree of brightness, tentacles and lips are red or pink.
When buying red-tailed golden dragons and back-backed golden dragons, pay attention to the black or dark brown color of the dorsal fin and the upper part of the caudal fin, while the rest of the caudal fin and the anal, ventral and pectoral fins should be orange. The golden scales of the red-tailed golden dragon only grow to the fourth row, while those with the back can grow to the fifth row (at least near the lower part of its dorsal fin, that is, the fifth row; there should be a few golden scales). The scales of the golden dragon on its back are brighter than those of the red-tailed golden dragon at any time.
The tentacles of the arowana must be long and straight, complete and uniform in length, oriented upward or forward but not downward, and must not be long and short, crossed or missing. The most popular are the outward tentacles, which look like an inverted eight when viewed from the fish's head. The color should match the body color of the arowana. Curls, broken beard will affect the viewing effect. Sometimes the arowana's whiskers will be unfortunately broken, then you can put a certain dose of antibiotics in the water to prevent infection, and pay attention to nutrition, broken whiskers will automatically grow out, but may be in length, hardness and thickness with the original must have a certain difference, thus affecting the ornamental.
When the mouth is tightly closed, the upper and lower forehead are symmetrical and closed tightly, and it is best to have no scratches or wrinkles on the lips. In addition, pay attention to the color of the upper and lower lips to be consistent, and the color of the fish body should also be consistent. The upper and lower lip ends should be consistent, and if the lower forehead protrudes or has a tubercle in the lower forehead, it is not a good mouth shape. Most arowana with bad mouths are too prominent for the lower forehead to fit tightly. There are also cases where the lower forehead often rubs against the cylinder wall, resulting in muscle relaxation and uncoordinated upper and lower movements. At this time, the intensity of water flow can be strengthened to improve. However, it is difficult to detect whether a fish has a protrusion under its forehead when it is still a juvenile fish. Only in the selection of adult fish, this defect will be easier to detect.
9) Swimming posture
Arowana is a true bone fish, its spine between each joint of the gap and Physiological structure so that its body can be extremely flexible swimming, curling, and even can curl in a very small container, so the Arowana wriggling body swimming posture also has a very pleasing aesthetic feeling. Elegant swimming posture is crucial for the arowana, whose back should normally be level. In addition, the swimming must be smooth and powerful, sometimes turning effortlessly. When turning, the fish's chest must be fully open and the tentacles should be fully straight. When swimming, full of vitality, so that viewers have a sense of beauty and strength.
Arowana like to live near the surface of the fish, so often stay in the upper half of the aquarium water. If you see an arowana cowering in a corner or at the bottom of the tank, try not to pick one. Healthy arowana will swim up to you and show curiosity. Its every move should be strong and energetic.
Arowana with diseased sacs will float at the bottom of the tank or not far from the surface, and some head down at a 45-degree angle. Do not select such fish, because the disease is difficult to cure.
All scales must be large and bright and arranged in orderly rows. Messy or crooked arrangements will greatly reduce the beauty of the arowana. The scales should be smooth and tidy, look shiny, and do not have any spots, such as black spots or spots. If there are spots, the quality of the arowana is relatively poor. Generally speaking, arowana sometimes have scales falling off, if not seriously ill, there will be the following two possibilities: one is caused by the arowana itself, the other is due to parasites and itching, arowana constantly rubbing against the tank wall caused. In this case, attention must be paid to the cleanliness of the water in the fish tank to avoid bacterial infection. Generally, scales will grow back 3 - 5 weeks after falling off.
Some scales have "thin frame" and "thick frame" points. However, most people will like to choose the "thin frame" when buying the golden dragon, which looks more purple scales than gold. As for Super Red Dragons, some prefer the "thick frame" chili Red Dragons because the red scales look more golden than gold. Choose according to personal preference.
The operculum is the "face" of the arowana. For operculum requirements, mainly to see if the operculum close to the head and whether there is no inversion. In addition, the operculum of each fish must be shiny and have an integral luster, smooth without scratches and wrinkles, and cannot be depressed, especially the gill raker part cannot be curled or rolled. Most of the operculum anomalies are caused by temperature and water quality, and may also be caused by insufficient dissolved oxygen in water. The operculum of the adult red-tailed or over-backed golden dragon must be golden, not pale yellow. Super red dragon adult operculum? Color varies with age. When it grows to 30 cm, the operculum is orange-red, and when it reaches maturity, 50 cm and longer, it will turn bright red.
The skin on the top of the head should be as smooth and bright as possible, without wrinkles.
(XIII) Fish belly
If not before or after spawning, excessive abdominal swelling is a precursor to ill health. The environment and food fed should be examined.
Some congenital or acquired malnutrition of fish will appear spinal curvature deformity, such fish do not buy breeding
In general, in fact, there is no good or bad fish species, but the price of their own speculation, things to rare for expensive, so rare, so that is expensive!
What is Arowana like? picture
Arowana refers to the beautiful hard servant bone tongue fish, golden all over, five layers of scales, similar to gold bars, popular with Chinese businessmen mainly to take its auspicious name. In addition, there are several varieties of arowana with different colors: "red arowana","yellow tail arowana" and so on.
Beautiful hard servant bone tongue fish because of its large flat long body, trunk covered with large and neatly arranged shining scales; mouth, mouth lips have two tentacles, swimming leisurely, like the mythical "dragon", so named "arowana".
It still retains the shape characteristics of ancient times, known as "fish living fossils" said, mandible with whiskers, flat body, abdomen has a ridge of ancient freshwater fish populations.
Since the 1970s, the wild population of this species has been very low in density within its range and has continued to decline significantly, making it a highly valued species by the International Aquarium Trade Organization.
Since 1975, there have been many registered CITES breeders in Asia introducing specimens they produce into a number of countries. Other countries restrict or prohibit possession of this species.
Habitat degradation caused by various human activities throughout the species 'range is a major threat to the species. Some swamp habitats have been converted to agricultural land, and areas of forest habitat have been converted to plantations.
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