Can they live together?

Freshwater Angelfish and Green Neon Tetra compatibility

Compare their preferred water conditions and basic behavior.

Freshwater Angelfish

Freshwater Angelfish

Green Neon Tetra

Green Neon Tetra

Not recommended

The shared pH range (6.3–6.5) is narrow, so watch for water changes.

  • Species-specific care guidance does not recommend this combination.

Checked for 1 Freshwater Angelfish and 8 Green Neon Tetra in a 200 L aquarium.

Shared environment

Recommended temperature
26 ~ 28°C

Recommended pH
6.3 ~ 6.5

Suggested group sizes

Freshwater Angelfish: at least 1

Green Neon Tetra: at least 8

Together they need at least 200 L and about 100 cm of length.

Check that your aquarium is large enough for both species.

Side by side

ItemFreshwater AngelfishGreen Neon Tetra
Average adult sizeabout 15 cm (large)about 2.5 cm (nano)
Recommended temperature26~29°C24~28°C
Recommended pH6.3~7.44.5~6.5
Water hardnessMedium hardnessMedium hardness
Minimum aquarium200 L, about 100 cm long41 L, about 45 cm long
Group sizesingle is fineat least 8
TemperamentTerritorialGentle
Social behaviorBest kept as a pairShoaling fish
Swimming zonemiddlemiddle
Activity levelModerateModerate
Waste levelHighLow
With shrimpadults not recommended, babies not recommendedadults usually fine, babies not recommended
Beginner level3/53/5

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Frequently asked questions

Can Freshwater Angelfish and Green Neon Tetra live together?

Planner result: Not recommended. The shared pH range (6.3–6.5) is narrow, so watch for water changes. Species-specific care guidance does not recommend this combination.

What water conditions suit both Freshwater Angelfish and Green Neon Tetra?

Keep the water at 26~28°C and pH 6.3~6.5, where both planner ranges overlap. Freshwater Angelfish prefers medium hardness and Green Neon Tetra prefers medium hardness.

How big should an aquarium for Freshwater Angelfish and Green Neon Tetra be?

At least 200 L and about 100 cm long, the larger of the two minimums (Freshwater Angelfish: 200 L, Green Neon Tetra: 41 L). Group sizes add to the bioload, so bigger is safer.

How many Freshwater Angelfish and Green Neon Tetra should I keep?

Freshwater Angelfish: can be kept singly (best kept as a pair). Green Neon Tetra: at least 8 (shoaling fish).

Do Freshwater Angelfish and Green Neon Tetra have similar temperaments?

Freshwater Angelfish is territorial and swims in the middle; Green Neon Tetra is gentle and swims in the middle. Activity: moderate vs moderate.

Sources & review

Each species' values are cross-checked against the references below and normalized into the planner's own ranges; the verdict comes from the planner's published rules. No text or images are copied.

Freshwater Angelfish

Review confidence A on an A–C scale (A is highest); last reviewed 2026-10-07.

Green Neon Tetra

Review confidence A on an A–C scale (A is highest); last reviewed 2026-10-07.

How compatibility is checked

Try it in my aquarium

This is a guide. Individual behavior and aquarium conditions can change the outcome.