Blue Botia Loach
Scientific Name: Yasuhikotakia modesta
Common Names: Redtail Botia, Blue Loach, Redtail Blue Loach
Adult Size: 10 inches
Life Expectancy: 5 years
Habitat: Southeast Asia, from Northeast India, through to Vietnam and the Malaysian peninsula
Minimum Tank Size: 75 gallons
Ideal Tank Conditions:
- Temperature Range: 72 – 86°F
- pH Range: 6.0 – 7.5
- Water Hardness: 8 – 12
Temperament: Semi-aggressive
Diet & Nutrition: Omnivore; feed on both plants and animals. In the wild, their diet consists mostly of worms.
| Feature | Detail |
|---|---|
| Scientific Name | Yasuhikotakia modesta |
| Common Name | Redtail Botia, Blue Loach, Redtail Blue Loach |
| Adult Size | 10 inches |
| Life Expectancy | 5 years |
| Habitat | Southeast Asia, from Northeast India, through to Vietnam and the Malaysian peninsula |
| Minimum Tank Size | 75 gallons |
| Temperature Range | 72 – 86°F |
| pH Range | 6.0 – 7.5 |
| Water Hardness | 8 – 12 |
| Temperament | Semi-aggressive |
| Diet | Omnivore (plants and animals) |
FAQ
What is the ideal water temperature for Blue Botia Loach?
The ideal water temperature range is 72 to 86°F.
Is the Blue Botia Loach suitable for a community tank?
Blue Botia Loach is semi-aggressive and may not be ideal for tanks with very timid species. It is best kept in a community tank with similarly sized, active fish.
What should I feed my Blue Botia Loach?
Feed a balanced omnivore diet including both plant and animal-based foods such as worms, algae, and commercial loach pellets.

Gabrielle Davidson –
The Blue Botia Loach is active and curious. It enjoys the plants and small food items I offer. After a month, it’s adapted well to the 75-gallon tank. The water parameters are stable and it seems happy.
Jessica Miller –
It’s a bit more active than expected and needs a bit of space. I keep it with other peaceful fish, and it doesn’t seem to bother them. Feeding it a mix of sinking pellets and frozen worms works well.
Steven Russell –
This loach has become a highlight in my aquarium. It swims gracefully and shows interest in the tank decorations. I maintain the temperature and pH within the recommended range and it’s thriving.