t.taterpuffer
KEEP BESIDE YOUR AQUARIUM

The potato puffer
care sheet.

Tetraodon miurus · One fish in a dedicated freshwater aquarium.

Side view of a Tetraodon miurus above the aquarium floor
Species photo · Pet Zone Tropical Fish

Planning reference

Broad footprint: at least 80 × 35 cm, around 112 L / 30 US gal; larger preferred. Fine smooth sand, secure lid, guarded equipment, strong oxygenation with sheltered resting zones.

Working water targets
Temperature26–28°C / 79–82°F
pH / GH6.3–7.2 / 1–6 dGH
Ammonia / Nitrite0 ppm / 0 ppm
NitrateBelow 15 ppm

Daily check

□ Temperature   □ Filter flow   □ Breathing   □ Body condition   □ Remove leftovers

Weekly routine

□ Test water   □ Matched, dechlorinated water change   □ Siphon waste   □ Inspect lid and equipment

Food

Healthy adult: begin with 2–3 modest meals weekly, adjusted to condition. Rotate suitable thiaminase-free fish with clean cultured worms and other suitable invertebrates. Juveniles need an individual schedule. Use long tongs. Avoid live feeder fish and do not overfeed.

Water & feeding log

DateTempNH₃/NH₄NO₂NO₃Food / notes
 
 
 
 
 
 
 

If something changes

Test water, check equipment, increase aeration if needed, and address poor water with matched changes. Labored breathing, loss of balance or major injury needs urgent aquatic veterinary advice. Never provoke inflation or attempt DIY tooth trimming.

Vet contact: _________________________________________________

References and complete guides: Tater Puffer · /sources/ · Checked October 2, 2026