Pea Puffer

Carinotetraodon travancoricus

Minimum Tank Size

10+ gal species-focused setup

Temperature

74–82°F

PH

6.5–8.0

Adult Size

1 in

Temperament 

Aggressive, territorial, fin-nipping predator

Care Difficulty

Advanced

Diet & Feeding

Carnivore; small snails, frozen/live invertebrates and suitable meaty foods.

Care Instructions

Best treated as a specialized species tank rather than a general community fish.

Flow & Filtration

Gentle-to-moderate filtration with excellent water quality.

Planted Tank Suitability

Excellent; dense planting helps break lines of sight.

Tank Mate Compatibility

Good Tank Mates

  • Other Pea Puffers in Properly Structured Species Setups

Use Caution 

  • Fast Small Fish in Expert Setups

Avoid

  • Shrimp
  • Snails
  • Betta
  • Guppy
  • Slow Fish

Compatibility Notes

Despite tiny size, pea puffers are territorial predators and frequently injure community tank mates.

Breeding Notes

Eggs may be laid in dense plants/moss; adults can prey on fry.