Butterfly Rainbow Characteristics and How to Keep Them

The butterfly rainbow is a tropical fish native to northern Australia and southern New Guinea, belonging to the family Pseudomugilidae of the order Pseudomugilidae, and has a transparent body with yellowish coloration and elongated fins. In this article, I would like to explain in detail the characteristics of the Butterfly Rainbow and how to keep it.

What is Butterfly Rainbow?

The Butterfly Rainbow is a tropical fish in the family Pseudomugilidae (pseudomugil, blue-eye) of the order Pseudomugiliformes. The butterfly rainbow originates from northern Australia and southern New Guinea. The Butterfly Rainbow's body color is characterized by a yellow color on top of its transparent body, which makes it appear golden when the light hits it.Another characteristic of the butterfly rainbow is the elongation of each fin. In particular, many individuals have pectoral fins that extend upward, and the way they flap their fins is cute, making them a very popular breed. The name "butterfly" comes from the resemblance of the fluttering fins to the flapping wings of a butterfly.

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How to keep Butterfly Rainbows

Butterfly Rainbows can be an easy breed to keep. The lifespan of the Butterfly Rainbow is approximately 3-4 years. Their body size is about 4 to 5 cm. However, both lifespan and body size vary depending on the environment in which they are kept and the food they are fed. They prefer slightly alkaline to neutral water, with a pH range of 6.0 to 7.5. Butterfly Rainbows are classified as a tropical fish, so if you keep them in Japan, you will need a heater in the winter.

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Points to keep in mind when mixing swimmers

Regarding mixed swimming, first of all, Butterfly Rainbows have a docile personality. Therefore, if the breed you put them with is territorial or aggressive, the guppies will be beaten up and may get injured or become sick due to stress. Butterfly Rainbows, like Neon Tetras, are a species that swim in groups. Therefore, it is recommended to keep them swimming in groups of 5 or 10 rather than in small groups of 1 or 2.Recommended species for mixing with Butterfly Rainbows are small fish such as neon tetras and other calasins and red fins. Depending on the species to be mixed with, if they are being chased, take measures such as adding water plants to create a hiding place.

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Points about spawning

Many people who keep Butterfly Rainbows want to breed them. To distinguish between male and female Butterfly Rainbows, male Butterfly Rainbows have elongated fins and a more vivid yellow body color. On the other hand, females have less elongated fins, and their body color may or may not be a little yellow. Therefore, it is very easy to distinguish them from each other.Butterfly Rainbows normally (in nature) spawn during the rainy season from October to December, so in the environment where they are kept, if you do a water change and lower the water temperature a little, they will mistake it for the rainy season and spawn. If you put in spawning beds and water plants, they will attach eggs to the water. Once the environment is set up, it is not so difficult to breed them, so even first-timers can breed them. However, one point to note when breeding butterfly rainbows is that the amount of eggs laid by one female at one time is very small (3-5 eggs), so if you see eggs attached to them, please move them to another aquarium immediately.

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What to look for when keeping a Butterfly Rainbow

The Butterfly Rainbow is recommended for its ease of keeping and mixed swimming. It is especially recommended for beginners and those who are not familiar with tropical fish. The Butterfly Rainbow is easy to recognize compared to other species, and its appearance is very cute and peaceful when you see it swimming with its pectoral fins moving frantically.They are also relatively easy to breed, so we encourage you to give them a try. We also recommend that you try breeding them in any aquarium, large or small. If you are interested in butterfly rainbows, we recommend that you visit a specialty store.

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