1, temperature
Since it is a tropical fish, it must be very sensitive to temperature. Tropical fish are tropical or subtropical fish, so the temperature is generally high all the year round, basically not lower than 20℃. In other words, we raise tropical fish, and when winter comes, especially some friends in the north, we need to consider the temperature problem. Generally speaking, the suitable temperature of tropical fish is between 22 and 24 degrees Celsius.
2.ph value
As mentioned earlier, some tropical fish have different requirements for water quality because they come from different places. Some fish like weakly alkaline water, such as guppies; Some fish like weakly acidic water, such as angelfish and colorful angelfish. This requires us to select water with a specific quality after understanding the water quality requirements of the fish to be raised.
3. Hardness of water
For example, some fish like hard water, but most fish like soft water. Like hard water fish, the most typical one is the cichlids in Sanhu. If we leave them in hard water for a long time, they may have some problems. The hardness of water actually refers to the content of calcium and magnesium ions in water. If the content is too high, the water will be hard.
Characteristics of tropical fish:
1, colorful body color. Tropical fish can be described as colorful, such as red, orange, yellow, green, blue, purple, black and white. It can be seen in tropical fish. Different varieties have their own characteristics, including monochrome, bicolor and multicolor. Form colorful flowers, patterns and decorations on different fish bodies; Some of them have metallic luster.
2. There are many kinds of fins. The fins of tropical fish vary from species to species, including flag, sail, torch, sword, fan, circle, triangle, straw cutter, tooth, fork and filament. Some of these fins are soft, some are hard, and some are straight. In swimming, they show beautiful posture, perform their duties, and show endless wonderful charm.
3. The posture is colorful. Most tropical fish are petite and flexible, generally only 1-2 meters long, but their bodies have many styles, such as oblate, spindle, swallow, oval, oval and nearly round.
4. Swimming style. Tropical fish become beautiful in various ways in the water. Some of them swim slowly, some are strong and capable, and some are lively and cheerful, which makes people fondle it.
5, diverse personality. Unlike docile goldfish or koi fish, tropical fish has its own distinct personality. They are either lingering, unrestrained, carefree or aggressive, and some will take the initiative to pick up food and show their closeness to their owners, which is really disgusting.