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Redtail salmon
✅ Level: Easy — a transparent, peaceful schooling fish with a striking red tail.
The X-ray Tetra (Pristella Maxillaris) is a slightly translucent tetra with a striking red caudal fin. As a schooling fish, it feels most comfortable in a group, where its calm, graceful swimming behavior truly shines.
🐠 Animal specifications
| Max. length | ±5 cm |
| Temperature | 22–28°C |
| pH | 6.0–7.0 |
| Min. aquarium length | 60 cm |
| Diet | Omnivore |
| Min. school size | 6 individuals |
| Origin | South America |
| Family | Characidae |
| Difficulty | ⭐ Easy |
🏪 Collection & warranty
- Available for pick-up only at our store in Heinkenszand — this animal will not be shipped
- Feel free to inspect the fish thoroughly in the store upon collection
- Upon collection, feel free to ask for advice on care or aquarium setup
✂️ Care
Keep in a school of at least 6 individuals — the larger the group, the calmer and more beautiful their swimming behavior. A well-planted aquarium with plenty of open swimming space is best for this species.
🐠 Combination tip
Peaceful and suitable for combining with other calm community fish such as corydoras, other tetra species, and dwarf gouramis.
❓ Frequently asked questions
How many should I buy at minimum?
At least 6 individuals — as a schooling fish, it feels insecure in groups that are too small, which can cause stress.
Is this fish suitable for a community aquarium?
Yes, the X-ray Tetra is peaceful and combines well with other calm species.
Is this fish suitable for a shrimp tank?
Yes, completely shrimp-friendly.
Do you have another question? Feel free to visit our store — we are happy to help you make the right choice for your aquarium.
