Fire Green Tetra

Aphyocharax rathbuni

Fire Green Tetra is a peaceful middle-to-top swimmer. Keep in a school of 8+.

PeacefulMiddle to top swimmerKeep in a school of 8+Beginner

Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
≤ 1.8" (≤ 4.5 cm)
Aquarium size
21 US gal (80 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length
Care level
Beginner
Temperament
Peaceful
Swimming zone
Middle to top swimmer
Temperature
68–79°F (20–26°C)
pH
6.5–7.5
GH
8–20 dGH
KH
4–8 dKH
Diet
Omnivore
Lifespan
up to 5 years
Group behavior
Keep in a school of 8+

Care requirements

Care level: Beginner.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 21 US gal (80 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 20–26 °C, pH 6.5–7.5, GH 8–20 dGH, KH 4–8 dKH.

Temperament and compatibility

Fire Green Tetra is peaceful and suits calm community fish.

Keep in a school of 8+.

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. Keep in a school of 8+.

Feeding

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

Before adding this fish

  • Plan for an aquarium of 21 US gal (80 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length.
  • Make room for its social group.
  • Avoid aggressive or highly competitive fish.
  • Keep in a school of 8+.
  • Offer a varied diet that matches this species.

Natural habitat and origin

Origin: Paraguay, Uruguay, Brazil.

Similar fish profiles

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

Bloodfin Tetra Aphyocharax anisitsi Same genus Same family Similar care level Beginner ≤ 2.2" (≤ 5.5 cm) 63–81°F (17–27°C) Black-belt Tetra Hemigrammus kuroobi Same family Similar care level Same temperament Beginner – Intermediate ≤ 2" (≤ 5 cm) 75–82°F (24–28°C) Blue Tetra Tyttocharax cochui Same family Similar care level Same temperament Beginner – Intermediate ≤ 0.8" (≤ 2 cm) 73–79°F (23–26°C) Arowana Tetra Gnathocharax steindachneri Same family Similar care level Same temperament Beginner – Intermediate ≤ 2" (≤ 5 cm) 72–79°F (22–26°C) Black Arrow Royal Tetra Inpaichthys luizae Same family Similar care level Same temperament Beginner – Intermediate ≤ 2" (≤ 5 cm) 72–79°F (22–26°C) Black Heart Tetra Hyphessobrycon copelandi Same family Similar care level Same temperament Beginner – Intermediate ≤ 2" (≤ 5 cm) 75–82°F (24–28°C)

FAQ

How large does Fire Green Tetra get?

Fire Green Tetra reaches ≤ 1.8" (≤ 4.5 cm).

What aquarium size does Fire Green Tetra need?

Use an aquarium of at least 21 US gal (80 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length.

Is Fire Green Tetra peaceful?

Yes. Fire Green 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 Fire Green Tetra?

Keep it between 20 to 26 °C.

Should Fire Green Tetra be kept alone or in a group?

Fire Green Tetra: Keep in a school of 8+.

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