Emperor Tetra (Nematobrycon Palmeri)
Emperor Tetra is a small, peaceful freshwater fish commonly found in the aquarium hobby. It is considered one of the best choices for community tanks and thrives well with most non-aggressive fish species.
Emperor tetras should always be kept in groups of at least six, ideally ten or more. When kept in larger groups, they display impressive shoaling behavior and experience reduced stress levels.
Sexing emperor tetras is straightforward: males are larger and more colorful than females. As they mature, males develop a longer anal fin and more pointed dorsal and caudal fins.
| Specification | Value |
|---|---|
| Species | Nematobrycon Palmeri |
| Size | 2-3 cm |
| Temperament | Peaceful |
| Group Size | Minimum 6, ideally 10+ |
| Water Type | Freshwater |
FAQ
How many Emperor Tetras should I keep in my aquarium?
Emperor Tetras should be kept in groups of at least six, with ten or more being ideal for optimal shoaling behavior and reduced stress.
Can Emperor Tetras be kept with other fish?
Yes, Emperor Tetras are peaceful and work well in community tanks with most non-aggressive fish species.
How can I tell the difference between male and female Emperor Tetras?
Males are larger and more colorful than females. As they mature, males develop a longer anal fin and more pointed dorsal and caudal fins.
Ava McLean –
I added six Emperor Tetras to my 50-liter tank and they’ve been active and calm since day one. The shoaling behavior is impressive, and they don’t seem stressed at all. Easy to care for and blend well with my other community fish.
Matt Peake –
The fish arrived healthy and were already swimming together. I kept them in a group of eight and noticed they move in tight formations. The colors are vibrant, especially the males, and they don’t chase or bother other fish.
Olivia Simpson –
Perfect for a beginner aquarist. I kept them with neon tetras and they coexist peacefully. The males are noticeably more colorful and have a distinct fin shape, which makes sexing easy.