Copei Tetra

Moenkhausia copei

Copei Tetra is a peaceful middle-to-top swimmer. Keep in a school of at least 10.

PeacefulMiddle to top swimmerKeep in a school of at least 10Beginner – Intermediate

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Explore compatibility, care or problems using this guide and your aquarium’s conditions.

Quick facts

Adult size: ≤ 2.4" (≤ 6 cm)
Aquarium size: 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Middle to top swimmer
Temperature: 72–79°F (22–26°C)
pH: 6–7.5
GH: 10–20 dGH
Diet: Omnivore
Lifespan: up to 5 years
Group behavior: Keep in a school of at least 10

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 22–26 °C, pH 6–7.5, GH 10–20 dGH.

Temperament and compatibility

Copei Tetra is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Feeding

As an omnivore, Copei Tetra should receive a varied diet rather than one repeated food type.

Before adding this fish

Plan for an aquarium of 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.
Make room for its social group.
Avoid aggressive or highly competitive fish.
Keep in a school of at least 10.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Venezuela, Peru.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

Bela Adormecida Tetra Moenkhausia bellasomniosa Same genus Same family Similar care level Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 75–82°F (24–28°C) Blackline Tail Tetra Moenkhausia costae Same genus Same family Similar care level Beginner – Intermediate ≤ 2.8" (≤ 7 cm) 72–79°F (22–26°C) Bandtail Tetra Moenkhausia dichroura Same genus Same family Similar care level Intermediate ≤ 3.9" (≤ 10 cm) 72–79°F (22–26°C) Black Phantom Tetra Megalamphodus megalopterus Same family Similar care level Same temperament Beginner – Intermediate ≤ 2" (≤ 5 cm) 72–82°F (22–28°C) Bleeding Blue Tetra Hyphessobrycon margitae Same family Similar care level Same temperament Beginner – Intermediate 1.6–2" (4–5 cm) 73–79°F (23–26°C) Bloodfin Tetra Aphyocharax anisitsi Same family Similar care level Same temperament Beginner ≤ 2.2" (≤ 5.5 cm) 64–82°F (18–28°C)

FAQ

How large does Copei Tetra get?

Copei Tetra reaches ≤ 2.4" (≤ 6 cm).

What aquarium size does Copei Tetra need?

Use an aquarium of at least 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.

Is Copei Tetra peaceful?

Yes. Copei Tetra is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.

What temperature is suitable for Copei Tetra?

Keep it between 22 to 26 °C.

Should Copei Tetra be kept alone or in a group?

Copei Tetra: Keep in a school of at least 10.