The pencilfish is a tropical fish of the family Leviocinae and genus Nanostomus of the order Calasinidae, native to the Amazon River and the Negro River in South America. In this article, I would like to explain in detail the characteristics of the pencil fish and how to keep it.
What is Pencil Fish?

The pencilfish is a tropical fish in the genus Nanostomus of the family Leviacinae of the order Calasinidae. The pencilfish originates from the Amazon and Negro rivers in South America.Pencilfish have an elongated body shape and swim by drifting at an angle. The pencilfish's name comes from the way it swims, which looks like it is writing something with a pencil. The pencilfish has a simple body color with a single black and gold line on the side of its body.
When you go to a specialty store to look at tropical fish, you may be surprised at the large number of species available. The prices are different, as are the sizes and appearances, so it is difficult to know what to choose based on. In this article, I would like to explain in detail about the different types of tropical fish. Classification of tropical fish Ca[...]
The snakehead is a tropical fish of the family Titanodiidae of the order Perchidae, native to Pakistan, India, and Sri Lanka in Central and South Asia, and is a tropical fish that looks like a snake or other reptile and has an inch-thick body shape. In this article, we will discuss the [...].
The Tiger Shovelnose Cat is a tropical fish native to the Amazon River in South America, belonging to the Pseudoplatystoma genus of the Pimelodus family of catfishes, and has a flat head and long whiskers as a member of the catfish family. In this article, we will discuss the Tiger Shovelnose [...].
The hatchetfish is a tropical fish of the family Gasteropelechidae of the order Calasinidae, native to the Guiana region, which includes the Amazon River in South America, and is a tropical fish with a long, flat body and an arching thorax. In this article, we will discuss the hatchet [...].
The Silvertip Tetra is a tropical fish of the family Calasinidae, genus Hassemania, and is native to the San Francisco River in South America. It is a tropical fish with a color like orange or red all over its body and white spots on the tips of its fins. In this article, we will discuss the silvery [...].
How to keep pencilfish
The lifespan of a pencilfish is about 2 to 3 years. Their body size is approximately 4 to 6 cm. However, both lifespan and body size vary depending on the environment in which they are kept and the food they are fed. Pencilfish prefer slightly acidic to neutral water, with a pH range of 5.5 to 7.0. Pencilfish are classified as tropical fish, so if you keep them in Japan, you will need a heater in winter.
水槽を立ち上げたばかりの頃、ヒーターのコーナーに立ってみると種類の多さに戸惑った経験はありませんか?「オートヒーター」「サーモスタット一体型」「観賞魚用クーラー」――棚を眺めるほど、どれを選べばいいのか分からなくなってしまうものです。[…]
Points to keep in mind when mixing swimmers

Regarding mixing, first of all, pencilfish are a docile breed. Therefore, they are unlikely to harm other fish.On the other hand, if the species to be mixed with pencilfish is a species that harms other fish due to its territoriality, etc., it will be the first to be harmed, so be sure to investigate this beforehand. The recommended breed for mixing with pencilfish is the same calasin variety. Pencilfish have an elongated silhouette among the calasin family, so it is recommended to mix them together to enhance their characteristics.
The pleco is a tropical fish of the catfish order Loricariidae, family Pecoltia, native to the Amazon and Orinoco river basins in South America. It has hard, rough scales like armor and a sucker-like mouth that can stick to rocks and walls. In this article, we will discuss the characteristics of the pleco and its keeping [...].
Points about spawning
Many people who keep pencilfish want to breed them. In breeding pencilfish, it is essential to distinguish between males and females. To distinguish between male and female pencilfish, male pencilfish have a more pronounced pattern and coloration. Females tend to be less patterned and colored and have a fuller abdomen.If you put male and female pencil fishies in, they will spawn on the underside of the wide leaves. Then, approximately 30-50 fry will be born. About 5 days after spawning, the fry will begin to swim and eat, and should be fed with fry food.
メダカを飼っていると、ある日気づくと小さな卵がお腹にくっついている——そんな場面に出会ったことがある方も多いのではないでしょうか。メダカは比較的繁殖しやすい魚で、適切な環境さえ整えれば、初めての方でも産卵に挑戦することができます。[…]
金魚を飼い続けていると、いつかはきっと「増やしてみたい」と思う日が来ます。泳ぎ回る小さな稚魚の姿を想像するだけで、胸が高鳴りますよね。しかし、金魚の産卵は決して簡単なものではありません。正しい知識なしに挑んでしまうと、せっかく育てたメス[…]
What to look for when keeping pencilfish

Pencilfish have an elongated body shape and simple body coloration with a single black and gold line. Because of this, pencilfish can be easily mixed with any species, making them very useful. The pencilfish also has a distinctive swimming style, which makes it a popular species in secret.Pencilfish are unique among the popular calacinids, and are recommended for those who keep "neon tetras" or "cardinal tetras" and are looking for other varieties. If you are interested in Pencil Fish, we recommend that you visit a specialty store to take a look.
The neon tetra is a tropical fish in the family Carassinae, and is a beautiful fish with a blue glow from its head to its tail fin. In this article, I would like to explain in detail the characteristics of the Neon Tetra and how to keep it. What is a Neon Tetra?
The cardinal tetra is a tropical fish of the family Carassinae of the order Carassinae that lives in the Negro and Amazon rivers in South America. It is a beautiful fish with a blue glow from its head to its tail fin. In this article, I would like to explain in detail the characteristics of the Cardinal Tetra and how to keep it. [...].











