Shoal & Stem

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80%
fully stocked
UnderLightBalancedFullOver
25 gal·4 species·Water change: 30–40% weekly

Aquarium Type

🌿Freshwater

Tank Dimensions & Volume

94.6 L

25 gal(94.6 L) · manual

Filtration & Setup

Oversized filtration adds bonus capacity.

Tank Age

Older tanks tolerate higher bioloads.

Stocking

Stock List

Popular species:

4 species
GloFish Tetra
2

GloFish Tetra should be kept in groups of 6 or more.

Black Skirt Tetra
3

Black Skirt Tetra should be kept in groups of 6 or more.

Altum Angelfish
1

Altum Angelfish should be kept in groups of 2 or more.

Altum Angelfish needs a minimum 55-gallon tank.

Guppy
2

Guppy should be kept in groups of 3 or more.

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Altum AngelfishPterophyllum altum
×1 · 44.4%
Black Skirt TetraGymnocorymbus ternetzi
×3 · 27.8%
GuppyPoecilia reticulata
×2 · 14.8%
GloFish TetraGymnocorymbus ternetzi
×2 · 13.0%

Swim Zones

top
mid
bottom
Guppy
GloFish TetraBlack Skirt TetraAltum Angelfish
Empty

Compatibility

GloFish Tetra (70–78°F) and Altum Angelfish (80.6–86°F) have incompatible temperature ranges.

Black Skirt Tetra (68–78.8°F) and Altum Angelfish (80.6–86°F) have incompatible temperature ranges.

Altum Angelfish (pH 4.5–6) and Guppy (pH 6.8–7.8) have incompatible pH ranges.

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These are estimates only. Real results vary based on your specific fish, feeding habits, tank maturity, filtration performance, and water chemistry. Always test your water regularly.