Species classification of freshwater fairy fish

1. Ordinary immortals

Scientific name: pterophyllumscalare

Name: Angelfish

It is native to the waters from the center of the Amazon River to Peru and Ecuador. It is the original species of the artificially improved angelfish. Its scientific name pterophyllum has the meaning of "feather-like light", while scalare describes its body pattern as a price ladder. No apparent sexual characteristics except reproduction; male genitals are pointed and female rounded. This fish is quite peaceful and territorial. Around the aquarium can be planted some small water plants such as orchid and big water orchid, but also can decorate rocks and Shen Mu, and leave some swimming space. This fish is open spawning, the water temperature can be kept between 26~28℃, the female fish will lay eggs on clean aquatic leaves, can lay about 1000 eggs at a time, parent fish will take care of young fish and small fish. Can feed all kinds of live bait, lettuce, spinach, freeze-dried bait and thin feed. The maximum length is 15 cm.

2. Long-kissed fairy

Scientific name: pterophyllum dumerilii

Name: Long-nosed Angelfish

Native to the South American Amazon. Its head lines are rounded and continue to the snout, because the snout is longer and less popular, so it is difficult to see it in the market. This fish has similar habits to the other two wild angelfish species. If there is an opportunity to raise it, similar management methods can be adopted.

3. Egyptian immortals

Scientific name: pterophyllumaltum

English Name: AltumAngelfish

Native to the middle reaches of the orinoco river and its tributaries in south america. The fish has three broad black stripes running through it in parallel. There are no obvious sexual characteristics except breeding season. Usually, the female fish in breeding season will be thicker. It is a mild and territorial fish species. It can be reproduced by using weak acid soft water with hardness of 1~5°dGH and pH 5.8 ~6.0, and the temperature is maintained at about 30~31℃. Daily feeding water temperature can be maintained between 28~30℃, can be fed with live bait, lettuce, spinach, and thin feed. The greatest difference between Egyptian immortals and ordinary immortals is that their dorsal lines rise sharply above the nostrils, and their maximum length can reach 18 cm.

Because there are so many artificially modified angelfish species, it may sometimes be difficult to distinguish between species, but you have more choices to raise your favorite style or strain. The classification of angelfish species, usually artificially modified, can be divided into the following common categories according to changes in tail fins, stripes, colors, or scales.

(1) Angelfish

Pterophyllum scalarevar.

Name: Angelfish

This refers to the offspring of wild ordinary immortals bred in artificial environment, that is, artificially propagated ordinary immortals, usually we also call them ordinary immortals, ordinary immortals or white immortals. There are obvious horizontal stripes on its body, and different types have been continuously improved.

(2) Black fairy

Pterophyllum scalarevar.

Filed to: BlackAngelfish

Black represents mystery and generosity, and the characteristic of Black Immortal is that its body surface is black, which is quite prominent among angelfish. This fish has long and short tail individuals, among which the long tail type is more popular, but overall it is a popular angelfish.

(3) Diamond fairy

Pterophyllum scalarevar.

Name: DiamondAngelfish

Sparkling diamonds are loved by all. This kind of fairy fish body surface scales emit silver-white diamond luster, is more loved by everyone, this improved species is currently short tail, has developed a variety of diamond marble fairy, diamond crown fairy, diamond gold fairy, etc., but almost all introduced from abroad.

(4) Blue fairy

Pterophyllum scalarevar.

Name: BlueAngelfish

Blue fairy's body exudes pure white to blue luster, dorsal fin and anal fin blue color is more obvious. But it gives a rather soft impression. This pink and fresh appearance is also quite distinctive among the improved angelfish.

(5) Gold Immortal

Pterophyllum scalarevar.

Name: GoldenAngelfish

The Golden Immortal's body surface emits a silver-white luster, while all its fins and body shine with golden light. It is a very beautiful angelfish species. This fish has long and short tails, especially the long-tailed Golden Immortal.

(6) Yin and Yang immortals

Pterophyllum scalarevar.

English Name: Half-Blackangelfish

This fish has the characteristics of body color, usually divided into positive yin and yang immortals and general yin and yang immortals two kinds, among which black and white body color each half like a yin and a yang outline clear, called positive yin and yang immortals, this kind of short tail type more; As for the body surface slightly silver-gray and tail handle front end is dark gray and the outline is less clear, it belongs to general yin and yang immortals, this kind of yin and yang immortals have long tail type, and more common.