The Yamato numaebi is a shrimp of the family Numaebiidae (decapods) and genus Numaebi, with a transparent body with a thin red dotted line. In this article, we would like to explain in detail the characteristics of the Yamato numaebi and how to keep them.
What is Yamato numaebi?
The Yamato numaebi is a species of shrimp in the family Numaebiidae (decapod shrimps). The Yamato numaebi originates from East Asia, including Japan, Korea, and Taiwan. The body color of the Yamato numaebi is not distinctive, with a thin red dotted line on a transparent body.Yamato numaebi are useful because they feed on leftovers of other species such as killifish, moss, and aquatic plants, preventing the deterioration of water quality.
熱帯魚を、専門店に見に行くとたくさんの種類に驚きます。値段も違えば、体の大きさや見た目も大きく違うので何を基準に選べばいいのか迷います。今回はそんな熱帯魚の種類について詳しく説明していきたいと思います。 熱帯魚の分類 カ[…]
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How to keep Yamato numaebi
The Yamato numaebi is an easy species to keep. The lifespan of the Yamato numaebi is approximately 2 to 3 years. Their body size is approximately 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 quality, especially at a pH of 7.0 to 8.0. Japanese Yamato numaebi can live at low water temperatures, but may require a heater if they are from overseas.
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Points to keep in mind when mixing swimmers
Regarding mixed swimming, the character of the Yamato numaebi is mild-mannered. Therefore, if the species you put in with them is territorial or aggressive, the Yamato numaebi may be beaten up, resulting in injury or even illness due to stress. In addition, if Yamato numaebi are mixed with some goldfish or tropical fish (such as cichlids or aveneye puffers), they may be preyed upon, so care is needed.Recommended species for mixing with Yamato numaebi are killifish in general, neon tetras and other characins, and small fish such as red fin fish. If you are unsure of the compatibility of the species you wish to mix with the Yamato Numaebi, take measures such as adding aquatic plants to create a hiding place.
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Points about spawning
Many people who keep Yamato numaebi want to breed them. To distinguish between male and female Yamato numaebi, males are smaller (3-4 cm) and have a "dot, dot, dot, dot" pattern on the sides of their bodies. In comparison, females are larger (4-5 cm) and have a "dot, line, dot, dot, line" pattern on the sides of their bodies.In breeding Yamato numaebi, it is necessary to know the characteristics of the "bilateral migratory type". The bilateral migratory type refers to the act of moving back and forth between sea and fresh water. The Japanese fire shrimp is a bilaterally migratory shrimp. When breeding Yamato numaebi, you must prepare brackish water (water that is half seawater and half freshwater) for them to breed. There are several ways to prepare brackish water, such as diluting seawater by half with tap water (fresh water) or dissolving artificial seawater sold at specialty stores with tap water (fresh water). Brackish water is very troublesome to manage rather than to produce. For this reason, it is said that it is difficult to breed Yamato numaebi. However, if you can make brackish water well, all you have to do is put in spawning beds or water plants and wait for the eggs to hatch. Once hatched, the fry feed on bacteria and moss in the water and grow. After hatching and repeated molting, the fry will be able to adapt to freshwater after about a month, so if you are thinking of moving to freshwater, please start the transition gradually from this time.
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Points to keep in mind when keeping Yamato numaebi
The Yamato numaebi is a recommended species because it is easy to keep and to mix with other shrimps. The southern shrimp is a very docile species of shrimp and rarely causes problems in the aquarium. It is rare for them to prey on weakened individuals (small fish), but it is highly likely that they mistake them for dead, so please take measures such as moving weakened individuals to another tank as soon as possible.The southern shrimp is often compared to the Yamato numaebi. It is not uncommon to see the "Yamato numaebi" and "southern shrimp" sold next to each other, even in specialty stores. The difference between the Yamato shrimp and the southern shrimp is their size and how they can be multiplied. If you are interested in breeding shrimp, we recommend that you choose the southern shrimp. If you want to keep larger shrimps, we recommend that you choose the Yamato numaebi. Also, you can mix "Yamato numaebi" and "southern shrimp," so if you are not sure, we recommend keeping both. If you are interested in Yamatonumaebi, we recommend that you visit a specialty store.