Dwarf Pufferfish — Fish Profile
Carinotetraodon travancoricus
Quick Specs
| Adult Size: | 1.0" |
| Temperament: | semi-aggressive |
| Care Level: | intermediate |
| Min Tank Size: | 5 gallons |
| Temperature: | 75-82°F |
| pH Range: | 7.0-7.8 |
| Diet: | carnivore |
| Origin: | Southwest India (Kerala) |
| Lifespan: | 4-5 years |
Overview
Dwarf Pufferfish are tiny, adorable freshwater puffers with big curious eyes and a cheerful expression. They are one of the few fully freshwater puffer species. Despite their small size, they are fierce hunters of snails and will eat shrimp. Best in species-only or carefully planned nano tanks.
Care Guide for Dwarf Pufferfish
Tank Setup
Dwarf Pufferfish requires a minimum tank size of 5 gallons. Maintain water temperature between 75°F and 82°F, with a pH range of 7.0 to 7.8. A properly sized tank with adequate filtration and regular water changes is essential for long-term health. When housing Dwarf Pufferfish with other species, always choose a tank size that accommodates the most demanding fish in the community.
Feeding
Dwarf Pufferfish is a carnivore feeder. Provide a varied diet appropriate for carnivore species to ensure optimal health and coloration. Feed small portions 2–3 times daily, and remove uneaten food after a few minutes to maintain water quality.
Temperament & Compatibility
This species is classified as semi-aggressive. Dwarf Pufferfish reaches an adult size of 1.0 inches and has a care level of intermediate. Always research compatibility before adding new fish to an established aquarium. Individual temperament can vary, so monitor new introductions closely for the first 48 hours.
Origin & Lifespan
Dwarf Pufferfish originates from Southwest India (Kerala) and has an expected lifespan of 4-5 years when kept in proper water conditions with appropriate tank mates and diet.
Compatible Tank Mates
🟢 Good Tank Mates
🟡 Caution Tank Mates
🔴 Risky Tank Mates
Compatibility Results for Dwarf Pufferfish
All 69 compatibility checks involving Dwarf Pufferfish:
Recommended for Dwarf Pufferfish
Hikari Frozen Bloodworms — $9.99Frozen bloodworms for carnivorous pufferfish
Expert Care Tips for Dwarf Pufferfish
- Nano tank suitable: Dwarf Pufferfish can thrive in smaller tanks (5+ gal), but skip the bowl — even small fish need filtration and a heater.
- Warm-water species: Dwarf Pufferfish prefers 75–82°F. Use a reliable submersible heater with a thermostat — avoid temperature swings above 2°F per day.
- Narrow pH tolerance: Dwarf Pufferfish only tolerates pH 7.0–7.8. Test your tap water before buying — adjusting pH is harder than choosing the right fish for your water.
- Semi-aggressive temperament: Dwarf Pufferfish is generally peaceful but can become territorial. Provide ample hiding spots and avoid housing with fin-nipping species.
- Acclimation: Always drip-acclimate Dwarf Pufferfish over 30–45 minutes. Match temperature and pH gradually to prevent osmotic shock.