Overview
The Marosatherina ladigesi, known as the Celebes Rainbowfish, is a popular freshwater fish among aquarists for its vibrant colors and peaceful nature. They are gregarious and thrive in groups, making them ideal for community tanks. With a moderate activity level and low aggression, they are suitable for beginners and intermediate hobbyists.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Telmatherinidae |
| Genus | Marosatherina |
| Species | Marosatherina ladigesi |
| Water type | freshwater |
Natural Habitat
Native to the rivers and streams of Sulawesi Island in Indonesia, the Celebes Rainbowfish prefers slow-moving, clear water with dense vegetation.
Appearance
These fish have a slender body, typically 4-6 cm in length, and are known for their iridescent blue and silver scales, accented with bright red and yellow spots.
Behavior
Celebes Rainbowfish are known for their sociable behavior and should be kept in groups of at least five to prevent bullying. They are moderate swimmers and are active during the day, often seen at the water surface.
| Trait | Value |
|---|---|
| Temperament | gregarious community fish |
| Schooling | Yes |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | 3-8 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 30L (8 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Celebes Rainbowfish are one of the smallest rainbowfish species.
- They are often confused with the Betta fish due to their vibrant colors, but they are unrelated.
- They are known for their high breeding rate in captivity.
📋 Full Care Guide
Ready to set up a tank for your Celebes Rainbowfish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Celebes Rainbowfish 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.