Water parameters
Overview
The red-tail red-eye puffer is a small puffer from the fresh waters of Sumatra that stays at 4–5 cm. Males stand out with their red eyes, dark bellies and the red-orange edges of the tail fin; females have brown blotches and are plainer. It does not need salt; it likes soft, slightly acidic water. Its care is similar to that of the dwarf puffer, but it is a little larger and more aggressive.
Tank Setup
- At least 60 liters for 1 male and 2 females; dense plants and sight barriers.
- 25–27°C, soft, slightly acidic water; roots and dried leaves are suitable.
- It is sensitive to nitrate buildup; 30% water changes every week.
- Males are very aggressive toward each other; keep a single male in a small tank.
Diet
Carnivorous; it usually refuses dry food. Offer small snails (essential for wearing down the teeth), frozen bloodworms, brine shrimp and cyclops.
Behavior and Compatibility
Curious, territorial and aggressive; it bites the fins of other fish and hunts shrimp and snails.
Good companions: it is best kept only with its own kind.
Avoid: community fish, especially slow and long-finned species; shrimp; snails (they become food).
A short profile for this species
The Red-tail Red-eye Puffer page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.
Tank mates
This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.
Usually compatible
Buffalohead Cichlid
Rainbow Cichlid
Gymnogeophagus balzanii
Threadfin Acara
Blood Parrot
Red Hump Eartheater
Cryptocoryne Parva
Lifalili Jewel Cichlid
Steatocranus tinanti
Should not be kept together
Hobbyist notes
Things you won't find in books, learned by trial and error. The most helpful ones are on top.
Change history and contributors
- Page created · October 16, 2026







