The Swallow Mermaid fish, also known as Silkfin Rainbowfish, New Guinea Rainbowfish, is a tropical ornamental fish species native to Australia and western Ireland. The body of the adult mermaid is about 5 cm long, and its reproduction method is oviparous, and artificial reproduction cannot be carried out. This fish was first discovered in the late 20th century, and until now, it has been divided into three endemic species, namely the New Guinea variety, the Australian variety, the Australian variety, and the swallow mermaid's The reproductive ability is not strong, but there has been a successful case of breeding!

1. Morphological characteristics of the swallow mermaid

The most distinctive part of the Swallow Mermaid fish is its various fin shapes. Its body color is mainly silver with metallic luster, and there are also pink fish species. It has two long pointed fins attached to its abdomen, shaped like a swallow. In general, the Swallow Mermaid is smaller in size, with a smaller head and a slightly pointed mouth. The fish has a rainbow-colored light all over its body, and it looks extremely cute! The tail of the Swallow Mermaid is distinctive, slightly rounded and fan-shaped, and its body is very flexible. When fully extended with its dorsal fins, it is almost twice as tall as its body, and it looks very attractive, and its characteristics are divided into three colors: orange, cyan and blue depending on the species!

2 , The living habits of the swallow mermaid

The swallow mermaid usually inhabits the waters with slow flow, clear water and rich vegetation, and likes to eat tender aquatic plants. This kind of fish is gentle in nature and likes to play with other fish species. Parents may wish to mix it with the same type of fish species (moonfish, lily). It should be noted that during the estrus period, this fish will be slightly irritable and impulsive, and will sometimes chase after other species to harass them. Therefore, during this period, it is easy to fight!

3. Breeding methods of the swallow mermaid

The swallow mermaid is gentle and likes to swim in groups. Parents can mix other tropical fish, which are not suitable for breeding. During the breeding period, parents should take care of its diet and daily life!

(1) Living environment

The optimum temperature of the swallow mermaid fish is about 26 to 28 degrees Celsius, and its water quality The pH is about 7.5 degrees and is a typical pelagic species. In addition, it likes to live in waters with slow water flow and clear and pollution-free water. Therefore, if it is kept in an aquarium, parents should provide it with a suitable size fish tank before raising it, so that the fish can live better. In addition, you can also lay a layer of sand and gravel at the bottom of the fish tank, and plant some fresh aquatic plants, seaweed and other phytoplankton in it for the fish to eat!

(2) Food requirements

The swallow mermaid does not have high requirements for food. Any food of the swallow can become the food of the swallow mermaid, such as brine shrimp, bloodworms, nematodes, etc. However, feeding It should be noted that the mouth of the fish is small, so the opening is also small. Parents should not choose bait with too large particles when choosing feed, so as not to hurt the stomach of the fish. The Swallow Mermaid is a small fish species, so parents should not feed it too much at one time, otherwise it will not be conducive to the digestion of the fish!