Dwarf Red Eye Puffer Fish
Synonyms: Carinotetraodon chlupatyi, Monotreta tiranti, Tetraodon lorteti, T. somphongsi
Distribution: Cambodia, Indonesia, Malaysia, Thailand, and Vietnam.
Sexual Dimorphism: Males often larger and able to erect dorsal and ventral ridges (the ventral ridge is red). Females tend to show a lacier pattern on the flanks.
Maximum Size: 6.5cm (2.6″)
Water Parameters: Freshwater. Soft, slightly acidic conditions are preferable. pH: 5.5-6.5, dH: up to 12 degrees.
Temperature: 24-28 deg C (75-82 deg F)
Compatibility: Species-only aquarium
Lighting: Dim
| Parameter | Value |
|---|---|
| Maximum Size | 6.5cm (2.6″) |
| Water pH | 5.5 – 6.5 |
| Water dH | Up to 12 degrees |
| Temperature Range | 24-28°C (75-82°F) |
| Lighting Requirement | Dim |
FAQ
What is the ideal water pH for Dwarf Red Eye Puffer Fish?
The ideal water pH is between 5.5 and 6.5.
Can Dwarf Red Eye Puffer Fish be kept with other fish species?
No, they should be kept in a species-only aquarium due to their aggressive nature and specific compatibility needs.
How big does a Dwarf Red Eye Puffer Fish grow?
The maximum size is 6.5cm (2.6 inches).

Andrew Glover –
The fish arrived healthy and active. It has a vibrant red eye and shows interest in the tank decorations. I’ve maintained soft, slightly acidic water with dim lighting as recommended. It’s a unique addition to my freshwater setup.
Megan Henderson –
I noticed the male has developed a red ventral ridge, which is quite striking. The fish is calm and doesn’t seem to stress other tank mates, though I keep only species-specific fish. Water parameters are stable and the lighting is dim as advised.
Sue Welch –
Easy to care for with minimal maintenance. The fish adapts well to the tank conditions. I keep the pH between 6.0 and 6.2 and temperature around 26°C. It’s a beautiful and interesting species to observe.