background plant · easy

Brazilian pennywort: height, light, CO₂ & fish that eat it

Hydrocotyle leucocephala typically grows 5.9–16 in tall (15–40 cm) and grows in the background of a tank. It's rated for medium–high light, and injected CO₂ is not needed. Temperature 41–86°F, pH 6–7.5.

How tall it grows

Grows 5.9–16 in · water depth by tank5 galtrim7 in10 gal · 20 longtrim9 in20 high · 40 breedertrim13 in29 galtrim15 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
5.9–16 in (15–40 cm)
Height basis
Aquasabi recommended care height
Where it goes
foreground, midground, background, floating
Light
medium–high light
Injected CO₂
not needed
Growth
fast
Difficulty
easy
Temperature
41–86°F
pH
6–7.5
Hardness
0–30 dGH
Feeds through
not published
Also sold as
—

Planting tip: Grow it rooted as a stem plant or let it float at the surface.

Fish and Brazilian pennywort

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 (93)

Common questions

How tall does Brazilian pennywort grow?

Growers report about 5.9–16 in (15–40 cm). Basis: Aquasabi recommended care height.

How much light does Brazilian pennywort need?

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

Does Brazilian pennywort need CO₂?

No. Its sources rate its CO₂ need as low, and it grows without injection.

Which fish eat Brazilian pennywort?

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 Brazilian pennywort

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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.