Features of Silver Arowanas and How to Keep Them

The silver arowana is a tropical fish of the family Arowanidae and genus Arowana, native to the Amazon River basin in South America. In this article, we would like to explain in detail the characteristics of the Silver Arowana and how to keep it.

What is Silver Arowana?

The Silver Arowana is a tropical fish in the family Arowanidae (Osteoglossidae). The origin of the Silver Arowana is the Amazon River basin in South America.The silver arowana has a very elongated body shape, with half of its length occupied by its rump and dorsal fins. The Silver Arowana has hardly changed in appearance since about 100 million years ago. This makes it a very popular variety of ancient fish. Among the arowanas belonging to the family Arowanidae, it is the most widely distributed and inexpensive to purchase.

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How to keep Silver Arowana

The lifespan of the silver arowana is approximately 10-25 years. Their body size is approximately 100-120 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 acidic to neutral water, with a pH range of 5.0 to 7.0. Silver arowanas are classified as a tropical fish, so if you keep them in Japan, you will need a heater in winter.

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Points to keep in mind when mixing swimmers

Regarding mixed swimming, first of all, the Silver Arowana has a docile personality. However, if you mix them with aggressive species, there is a high possibility that they will fight. Therefore, we recommend that you mix the Silver Arowana with a low-swimming species such as the Pleco.Silver arowanas are carnivores, so if you mix individuals smaller than silver arowanas, they will often recognize them as food and eat them, so be careful about the size of the species you mix.

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Points about spawning

Many people who keep silver arowanas want to breed them. However, it is difficult for ordinary households to breed Silver Arowanas at the preparatory stage, as it is necessary to first prepare an aquarium tank for both males and females.It is also difficult to distinguish between male and female arowanas, and it is generally accepted that an individual with a large mouth is a male and an individual with a short tail fin is a female, but this alone is not enough to determine which is the female. When silver arowanas lay eggs, it is necessary to stabilize the water quality using a filter, and breeding silver arowanas is difficult.

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Points to keep in mind when keeping silver arowanas

The silver arowana is one of the most popular of the ancient fish breeds because of its long, slender body shape and leisurely swimming appearance. The Silver Arowana has been popular since the early tropical fish boom of the 1980s and 1990s, and many people have heard of it. One thing to keep in mind when breeding the Silver Arowana is its speed of growth. The Silver Arowana grows very fast, so it is advisable to keep an aquarium at least 120 cm in length.This is because even if you purchase a small Silver Arowana, once you start keeping it, it will quickly grow and a small aquarium may become too small for it. If you keep feeding them the same food, they will get tired of it after about a month. The most common cause of death of Silver Arowanas is that they jump out and die. Silver Arowanas are a hardy breed, so when they die, it is often from a sudden and unexpected accident. The Silver Arowana is relatively inexpensive among arowanas. If you are interested in Silver Arowanas, we recommend that you take a look at them at a specialty store.

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