Emperor Loach
Botia udomritthiruji
Emperor Loach is a peaceful bottom-dwelling fish. Keep in a loose group of 6+.
Save this fish or add it directly to one of your aquariums.
Need help with Emperor Loach?
Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Quick facts
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Bottom dweller
- Temperature
- 73–82°F (23–28°C)
- pH
- 6–7.5
- GH
- 1–8 dGH
- Diet
- Omnivore
- Lifespan
- up to 8 years
- Group behavior
- Keep in a loose group of 6+
Care requirements
Care level: Beginner – Intermediate.
Lifespan: up to 8 years.
Aquarium size and space needs
Minimum aquarium size: 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 23–28 °C, pH 6–7.5, GH 1–8 dGH.
Temperament and compatibility
Emperor Loach is peaceful and suits calm community fish.
- Snail safe
- No
Swimming zone and behavior
This fish uses the bottom area, so leave enough open substrate area for movement and feeding.
Feeding
As an omnivore, Emperor Loach should receive a varied diet rather than one repeated food type.
Provide sinking insect-based/omnivore food with live/frozen supplementation; expect snail predation and vigorous competition at feeding.
Before adding this fish
- Plan for an aquarium of 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.
- Avoid aggressive or highly competitive fish.
- Keep in a loose group of 6+.
- Offer a varied diet suited to this species’ documented feeding habits.
Natural habitat and origin
Origin: Myanmar.
Important notes
- Social loach: group hierarchy is necessary; minimum and recommended counts differ.
- May nip long fins and eat snails; cannot certify a peaceful all-purpose community.
- Requires mature, oxygen-rich water and a tightly covered aquarium.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Emperor Loach get?
Emperor Loach reaches ≤ 5.9" (≤ 15 cm).
What aquarium size does Emperor Loach need?
Use an aquarium of at least 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.
Is Emperor Loach peaceful?
Yes. Emperor Loach is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.
What temperature is suitable for Emperor Loach?
Keep it between 23 to 28 °C.
Should Emperor Loach be kept alone or in a group?
Emperor Loach: Keep in a loose group of 6+.