The goldfish is about 3 to 4 cm long and has a spindle-shaped, slender, slightly flat side, small head, large eyes, and blunt round kisses. The fish's back is tea-brown, slightly blue, abdomen silver-white, with bright red dorsal fins and caudal fins, yellow tip of pelvic fins, and red tail. From the snout to the back, along the sideline, there is a strip of gold and yellow stripes until the end of the caudal peduncle, in addition to a golden spot, so it is named goldfish.
Goldfish is petite and colorful, especially in the juvenile period, and it is particularly beautiful. In foreign countries, it has the reputation of â€œrace lotus lampâ€.
The feeding of goldfish requires that the goldfish have a mild temperament, a mixed diet, and easy feeding. It is suitable for the first raiser. It has no harsh requirements for feed water, generally mild acid or neutral soft water is preferred, suitable temperature 20 ~ 25 degrees Celsius, but it can withstand low temperatures, can survive in 5 degrees Celsius water.
Although the goldfish fish diet, but prefer eating animal feed. A variety of plants should be kept in the rearing tank to maintain proper light. Goldfish is suitable for polyculture with other tropical fish.
The identification and reproduction of goldfish by male and female goldfish can be distinguished from the following characteristics: Male fish are smaller than female fish, but dorsal fins and anal fins are larger than female fish, and their body color is deeper and brighter than female fish. Females are more hypertrophic than males, and the abdomen is slightly white.
With pH 6.5 ~ 7.5, hardness 6 ~ 8, the water temperature of 24 degrees Celsius is appropriate, the bottom of the cylinder is paved with gravel or pebbles, a variety of waterweeds such as Foxtail algae, gold grass. Goldfish prefers to lay eggs under sunlight, so breeding tanks should be placed where sunlight can shine.
When breeding, you can choose to pair the fish into the tank, or you can use the group breeding. Each goldfish female can produce 150-300 eggs at a time. After spawning and fertilization, fishes should be fished out again to avoid swallowing fish eggs.
After 1 to 2 days, the fertilized eggs hatched larvae, and after about 3 days, the larvae began to swim. Start with "drip water" and it takes about 10 days to feed other small fish.
Germany imported beads
Imported French lens
mould Die-casting Eight edge type Revolving arm
Optional emergency power supplyâ‰¥3 hours
The main features:
1)Ideal cold light effects
Using the new LED cold light source, ensure energy saving and environmental protection and long service life up to 80,000hours and more.
The temperature increase of surgeon`s head below 1â„ƒ. LED do not engender infrared ray and ultraviolet radiation, without the temperature
rise and tissue damage caused by halogen shadowless light, also it can accelerate the wound healing after surgery, and without Radiation pollution.
With color temperature constant and soft, LED is very close to the sunshine.
1) Excellent shadowless effect
Lamp with the most scientific radian and Multi point light source design, ensure better uniform illuminance. When the lamps are partially occluded,
also can achieve perfect shadowless effect.Lamp panel radius of gyration â‰¥182cm, the lamp can be pulled to vertical floor, convenient to any angle illumination.
2) Excellent deep lighting
It is based on modularize method by Computer Aided Design, focused to irradiating with more beams of LED. It produces the deep lighting which beams
more than 1200cm,the illumination of center up to 180,000Lux or more, and offer the color temperature that can be adjusted from 3700K to 5000K which
is close to sunshine. Absolutely, it really reflects the color of human tissue and satisfied by all kinds of operating light needs.
3) Advanced control system
The use of liquid crystal display button control, to meet the needs of the medical staff of different patients with the brightness of the operation.
It offers illuminance memory function.
It does not effect using when a single circuit or one bulb is broken.
4) Universal suspension system
Rotating arm, a new type of alloy material is made of eight edge type.
Balanced system using imported arm module, more than 5 group universal joints, every cantilever must has more than 3 joints which can be rotated in 360Â°,
The structure is light, easy to manipulate, accurate positioning, can provide the maximum range of regulation.The equipped with fatigue correcting unit and
fix position hand handle device, easy to fix position after long time use.
5) Modern laminar lamp
The thickest part of lamp-chimney is not more than 10cm.
The lamp-chimney is made of ABS, The handle on the central of lamp can be detachable, can take high temperature (â‰¤ 134Â°C) sterilization treatment,
easily adjust, flexible fixed.
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