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Emperor Tetra | Nematobrycon Palmeri

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Emperor Tetra

Also known as Rainbow Tetra, the Emperor Tetra or Nematobrycon Palmeri is a beautiful multi-colored freshwater fish popularized by its shimmery body and regal appearance. Emperor Tetras grow to around 1.5 inches in size making them ideal for smaller aquariums and community tanks with smaller-sized species. Their unique coloration and prominent black stipe make a nice contrast to other fish, and you’ll be able to enjoy watching their scales shine under aquarium lighting.

What Are Emperor Like?

Emperor Tetras are a smaller-sized tropical fish characterized by their peaceful nature. Their laidback personality is incompatible with boisterous tankmates, overly active swimmers or larger species who may view them as prey. Emperor Tetras are a naturally schooling fish but are more than happy to live their days in pairs if desired. Pair with other non-violent Tetras for a peaceful tank environment.

Who Is Suited To Emperor Tetra?

Suitable for beginners and experienced aquarists, Emperor Tetras are small but mighty.
They look wonderful in community tanks but must be kept away from aggressive fish and larger companions.


The Ideal Aquarium Conditions For An Emperor Tetra

Emperor Tetras are found in quiet, slow-moving Western Colombian rivers with dense
vegetation, subdued lighting, and dark substrate. Recreate this environment using sand, gravel, and ample small-leaf vegetation for a happy and thriving Emperor Tetra. They prefer soft to moderately hard tank water and require ample room to swim without getting stuck in vegetation.


Please Note: All fish shipments have a 100% Live Arrival Guarantee when shipping with
Overnight (1 Day) option. All other options void our Live Arrival Guarantee for fish. 

What We Feed Our Tetras

Tetras are naturally omnivorous, feeding predominantly on small invertebrates,
crustacea, algae, and fruit. We feed a mix of live foods including live baby brine shrimp, blackworms, bloodworms, and Daphnia. We supplement their diet with Northfin Veggie, Community, and Bug Pro to ensure a balanced and nutritious diet.

Our Tank Parameters for Tetra

  • Ph: 6.8 to 7.2
  • Gh: 4 to 10
  • Kh:  2 to 6
  • TDS: 140 to 200
  • Temp: 72 to 78

Customer Reviews

Based on 5 reviews
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O
Otto

Very healthy fish!

M
Moses Ulloa
Emperor Tetra

Beautiful and healthy

D
Donald Obrien
EMPEROR TETRA

This is a very beautiful and regal looking fish. The fish are active and healthy.

M
Meg C.
Fantastic!!

Gorgeous, healthy fish that came super well packed. The heat pack was still hot when the fish arrived. I already ordered another round of fish--including more emperor tetras!

A
Anthony Thompson
Simply awesome.

I ordered 39 emperor tetras and immediately began to panic because the temps were falling and I was worried. I reached out to support with my concerns and they were wonderful. All 39 are alive and well with great personality and big appetites for little guys. I gave 5/5 stars because 10/10 wasn't an option!