Overview
The Badis (Badis badis) is a freshwater fish belonging to the family Badidae. It thrives at temperatures of 15–27 °C with a pH of 6.5–7.5, and requires a minimum tank volume of 60 litres. Known for its peaceful but predatory toward small fish and invertebrates, it is considered a intermediate-level species. Shy ambush predator that usually refuses dry food; best fed live or frozen daphnia and bloodworm. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Badidae |
| Genus | Badis |
| Species | Badis badis |
| Water type | freshwater |
| Native range | Oriental (Indomalaya)|Palaearctic |
Natural Habitat
Badis badis originates from Oriental (Indomalaya)|Palaearctic. It inhabits freshwater environments and is adapted to the water conditions found in its native range.
Appearance
Adults reach 5–8 cm in length. The body is freshwater and the species displays characteristic coloration suited to its environment.
Behavior
This species is described as a peaceful but predatory toward small fish and invertebrates. It does not school and can be kept individually or in small numbers. Activity level is low. Shy ambush predator that usually refuses dry food; best fed live or frozen daphnia and bloodworm.
| Trait | Value |
|---|---|
| Temperament | peaceful but predatory toward small fish and invertebrates |
| Schooling | No |
| Activity level | low |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 15–27°C (59–81°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | 5–15 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <15 ppm | Manage through regular partial water changes |
| Min. tank | 60L (16 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Badis can rapidly change colour and pattern — earning the nickname 'Chameleon Fish'.
- Males are intensely territorial toward other males; provide plenty of caves and visual barriers.
- Native to still and slow-moving waters of India and Nepal, including rice paddies.
📋 Full Care Guide
Ready to set up a tank for your Badis? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Badis Care Guide →Related Species
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.