foreground plant · medium

Alternanthera reineckii 'Mini': height, light, CO₂ & fish that eat it

Alternanthera reineckii 'Mini' typically grows 2–3.9 in tall (5–10 cm) and grows in the foreground of a tank. It's rated for medium–high light, and injected CO₂ is helps, but sources disagree on whether it's needed. Temperature 39–86°F, pH 5–7.

How tall it grows

Grows 2–3.9 in · water depth by tank5 gal✓7 in10 gal · 20 long✓9 in20 high · 40 breeder✓13 in29 gal✓15 in55 · 75 · 125 gal✓18 in180 gal✓22 in

Each bar is roughly the water depth a tank leaves above the substrate. The teal band is the plant's reported height range. ✓ fits, trim means it can reach the surface, ✕ means it typically outgrows the water.

Will it fit your tank?

Check it with your fish →

Quick facts

Grows to
2–3.9 in (5–10 cm)
Height basis
Tropica 2-month avg (5-10+); Aquasabi/Flowgrow 5-30 unpruned
Where it goes
foreground, midground
Light
medium–high light
Injected CO₂
helps
Growth
medium
Difficulty
medium
Temperature
39–86°F
pH
5–7
Hardness
0–30 dGH
Feeds through
not published
Also sold as
Alternanthera reineckii 'rosaefolia minor'; AR Mini

Planting tip: Plant small portions spaced apart and pinch the tips once about 5 cm tall to make it bush out.

Fish and Alternanthera reineckii 'Mini'

Checked with the same rules as our tank builder: plant-eating and digging named in each fish's sources, plus temperature and pH overlap.

Fish that leave it alone and share its water (92)

Common questions

How tall does Alternanthera reineckii 'Mini' grow?

Growers report about 2–3.9 in (5–10 cm). Basis: Tropica 2-month avg (5-10+); Aquasabi/Flowgrow 5-30 unpruned.

How much light does Alternanthera reineckii 'Mini' need?

It's rated for medium–high light. Growers often disagree on light, so this is the full range across our sources.

Does Alternanthera reineckii 'Mini' need CO₂?

It isn't strictly required, but sources disagree and some recommend injected CO₂ for best growth.

Which fish eat Alternanthera reineckii 'Mini'?

In our database, Convict Cichlid, Common Pleco, Common / Comet Goldfish, Clown Loach, Tinfoil Barb, Buenos Aires Tetra, Kissing Gourami, Yoyo Loach, Fancy Goldfish are flagged as eating live plants. Tough-leaved anubias usually hold up better.

Gear for Alternanthera reineckii 'Mini'

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Related guides

Sources

Values come from these pages, in our own words. Where growers disagree, we show the full range. Last reviewed 2026-10-17.

  • tropica.com /en/plants/plantdetails/Alternantherareineckii'Mini'(023CTC)/4439
  • aquasabi.com /Alternanthera-reineckii-Mini
  • flowgrow.de /db/aquaticplants/alternanthera-reineckii-mini