midground plant · easy

Dwarf sagittaria: height, light, CO₂ & fish that eat it

Sagittaria subulata typically grows 2–12 in tall (5–30 cm) and grows in the midground of a tank. It's rated for low–high light, and injected CO₂ is helps, but sources disagree on whether it's needed. Temperature 39–86°F, pH 5–9.

How tall it grows

Grows 2–12 in · water depth by tank5 galtrim7 in10 gal · 20 longtrim9 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
2–12 in (5–30 cm)
Height basis
Tropica 2-month avg (listed 5-30+)
Where it goes
foreground, midground
Light
low–high light
Injected CO₂
helps
Growth
fast
Difficulty
easy
Temperature
39–86°F
pH
5–9
Hardness
0–30 dGH
Feeds through
roots and leaves
Also sold as
Dwarf Sagittaria; awl-leaf arrowhead; narrow-leaved arrowhead; syn. Sagittaria pusilla

Planting tip: Plant individual plants 2-4 cm apart; runners fill in and can overrun small slow plants.

Fish and Dwarf sagittaria

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 (95)

Common questions

How tall does Dwarf sagittaria grow?

Growers report about 2–12 in (5–30 cm). Basis: Tropica 2-month avg (listed 5-30+).

How much light does Dwarf sagittaria need?

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

Does Dwarf sagittaria need CO₂?

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

Which fish eat Dwarf sagittaria?

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 Dwarf sagittaria

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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.