Tonina Fluviatilis (Tonina fluviatilis) is a advanced-level aquarium plant. A fine, upright stem plant with soft, narrow leaves. It likes strong light, CO2 and soft, slightly acidic water, and is not a plant for a first tank.

Care facts at a glance

Scientific nameTonina fluviatilis
FamilyEriocaulaceae
OriginCentral and South America
Height6-12 in
LightHigh
CO2Recommended
PlacementMidground to background
Growth rateSlow to moderate
Temperature72-80°F
pH5.5-7.0
DifficultyAdvanced
PropagationCuttings and side shoots

Quick tips

  • Provide strong light, CO2 and regular fertilizer.
  • Keep water clean; it is sensitive to poor conditions.
  • Plant gently; stems are fragile.

San Diego water

Prefers softer, more acidic water than San Diego's tap (pH roughly 7.6-8.6, hard). Most keepers blend tap with RO/DI water or use a remineralized RO/DI supply. Learn the numbers in our San Diego tap water guide.

New to planted tanks? Start with our beginner planted tank guide and the plant fertilizer guide.

Find it at Pet Zone

Pet Zone Tropical Fish is a San Diego aquarium store with two locations. Stock changes daily, so call ahead if you are after a specific species or plant. Shop online at petzonesd.com.

Pet Zone Convoy

4160 Convoy St, San Diego, CA 92111
(858) 987-0309
Open daily, 10am-6pm

Aquascaping, planted tanks

Pet Zone Mid-City

4266 University Ave, San Diego, CA 92105
(619) 283-1812
Closed Monday; Tue-Fri 10:30am-6pm, Sat 11am-6pm, Sun 11am-4pm

Monster fish, koi