Which Cold-Water Fish Species Is the Most Beautiful? Recommendations for High-Appearance Cold-Water Fish

Cold-water fish are a category of fish, mainly classified by people according to fish's requirements for their living environment, especially water temperature; they cannot survive when the water temperature is above 20 degrees, so they are called cold-water fish. So which cold-water fish species is the most beautiful?

1. Goldfish

Goldfish are a relatively common cold-water ornamental fish in daily life. This fish is colorful and comes in many varieties. It is a highly ornamental fish suitable for being kept in groups, and goldfish symbolize an abundance of gold and jade, so they are also quite popular in China and have strong adaptability to water temperature.

2. Medaka (Japanese Rice Fish)

The medaka is a new variety bred from wild medaka through artificial selection, crossbreeding and purification, and is a small cold-water ornamental fish. Its body shape is relatively variable in color and it has high ornamental value. This fish has many varieties and is relatively easy to keep, feed and breed, and is suitable for living at temperatures of around 15 to 30 degrees.

3. Hillstream Loach

The hillstream loach is a small ornamental fish that generally attaches itself to stones to live, and is an omnivorous fish. It mainly eats algae, bloodworms and specialty feed to survive. When keeping this fish, you need to create some water flow for it, and a water temperature not exceeding 28 degrees is fine.

4. Koi

Koi are very beautiful cold-water ornamental fish. This fish is brightly colored with varied patterns and has strong ornamental value. Koi also come in many varieties and are suitable for being kept in groups, as they like to swim in schools. They have relatively strong adaptability to water and are suitable for living in water environments with low hardness. Koi eat fine algae, artificially synthesized pellet bait and fragments of higher aquatic plants, etc.

5. Chinese Betta

The Chinese betta is a cold-water ornamental fish commonly seen by many people, and it likes to live in shallow puddles or on banks with dense aquatic plants. Its appearance is still relatively beautiful and its colors are bright; it is a cold-water ornamental fish that can be kept. It is suitable for living in a water temperature environment of around 24 to 27 degrees, and mainly eats insect larvae, fish worms and dry bait, etc.

6. Lionhead

The Lionhead is a very beautiful variety of goldfish; this fish has a relatively unique appearance and is also relatively docile in temperament. Many people like to keep Lionhead goldfish. It is a small ornamental fish that is colorful, brightly colored on the body and highly ornamental.

7. Dragon Eye

The Dragon Eye goldfish belongs to the dragon species among goldfish. This fish has a relatively beautiful appearance and relatively large eyes, which has won many people's affection. It is a representative variety that can represent goldfish. This fish has a slender body, a thin and long caudal peduncle and a very beautiful tail, reflecting a kind of primitive beauty.

8. Butterfly Tail

The Butterfly Tail is also a relatively good-looking cold-water ornamental fish. This fish has very large eyes and a relatively developed tail, just like a butterfly, especially beautiful. In the ranking of small cold-water ornamental fish, this fish is one of the varieties of small ornamental fish among the Dragon Eye goldfish.

9. Ranchu

The Ranchu goldfish has always won the favor of many fish-keeping enthusiasts, and is one of the earlier cold-water ornamental fish to appear among ornamental fish worldwide. It is called the king of goldfish, and in the ranking of small cold-water ornamental fish, this fish generally lives in the Asian region. There are different varieties.

10. Pearlscale Goldfish

The Pearlscale goldfish is a small cold-water ornamental fish with a relatively beautiful appearance, and its body is the kind that is bulging and very nice-looking. This fish can be kept in a fish tank and is highly ornamental. There are different varieties such as Red Pearlscale, Grass Green Pearlscale, Variegated Pearlscale, Blue Lionhead Pearlscale and many other varieties.

The above is an introduction to beautiful varieties of cold-water fish. Of course, there are more than the above ten varieties of cold-water fish. When breeding cold-water fish, everyone must choose a good water source, ensure a suitable water temperature, and carry out scientific and reasonable stocking and feeding.

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