Red Finned Butterfly Loach
Gastromyzon venustus
Red Finned Butterfly Loach is a peaceful bottom-dwelling fish.
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Quick facts
- Adult size
- ≤ 2" (≤ 5 cm)
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Bottom dweller
- Temperature
- 75–79°F (24–26°C)
- pH
- 7–8
- GH
- 2–12 dGH
- Diet
- Omnivore
- Lifespan
- up to 6 years
Care requirements
Care level: Beginner – Intermediate.
Lifespan: up to 6 years.
Water parameters
Suitable water: temperature 24–26 °C, pH 7–8, GH 2–12 dGH.
Temperament and compatibility
Red Finned Butterfly Loach is peaceful and suits calm community fish.
Swimming zone and behavior
This fish uses the bottom area, so leave enough open substrate area for movement and feeding.
Feeding
Provisional: provide mature algae/biofilm-covered stones and small sinking algae-based supplements; monitor whether individual fish feed in the presence of competing grazers.
How to feed aquarium fish — General freshwater community guidance
Before adding this fish
- Avoid aggressive or highly competitive fish.
- Offer a varied diet suited to this species’ documented feeding habits.
Natural habitat and origin
Origin: Brunei.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Red Finned Butterfly Loach get?
Red Finned Butterfly Loach reaches ≤ 2" (≤ 5 cm).
Is Red Finned Butterfly Loach peaceful?
Yes. Red Finned Butterfly Loach is generally peaceful. Choose calm companions that won’t harass it or crowd it out at feeding time.
What temperature is suitable for Red Finned Butterfly Loach?
Keep it between 24 to 26 °C.
