Red Skirt Betta
Betta falx
Red Skirt Betta (Betta falx) is a peaceful freshwater fish that suits calm freshwater aquariums. Its adult size of up to 4 cm should still be matched with stable water and compatible fish.
Quick facts
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Temperature
- 22–26 °C
- pH
- 4.5–7
- GH
- 4–8 dGH
- KH
- 0–2 dKH
- Diet
- Omnivore
- Lifespan
- up to 3 years
- Group behavior
- Often planned as a pair
Overview
Red Skirt Betta (Betta falx) is a freshwater aquarium fish for aquariums where the layout leaves enough swimming room and the water stays stable.
Use these values as planning checks, then make sure the aquarium still has room for behavior, group needs, and calm community fish.
Care requirements
With a Beginner – Intermediate care level, Red Skirt Betta is approachable, but it still needs stable water, clean substrate, and a well-planned stocking group.
With a lifespan of up to 3 years, this is a fish to plan for long term rather than an impulse addition.
Aquarium size and space needs
An aquarium of 45 L or larger can be a reasonable starting point, but it should not be read as permission to overstock.
At up to 4 cm, Red Skirt Betta stays small, but it still needs room to move, feed, and avoid constant competition.
Water parameters
The temperature range for this fish is 22 to 26 °C, which fits many tropical freshwater aquariums. Choose other fish with overlapping temperature needs.
The pH range for this fish is 4.5 to 7. That points to acidic to neutral water, but stability is more important than sudden corrections.
The GH range for this fish is 4 to 8 dGH. That gives some flexibility, but sudden changes are usually more stressful than a stable value that is slightly imperfect.
The KH range is 0 to 2 dKH. Use it as a general stability reference rather than a reason for aggressive adjustments.
Temperament and compatibility
As a peaceful fish, Red Skirt Betta is best kept with calm species that will not harass it or dominate the feeding area.
Feeding
As an omnivore, Red Skirt Betta should receive a varied diet rather than one repeated food type.
Natural habitat and origin
This profile currently lists the origin as Indonesia. Treat this as a broad regional note rather than a complete habitat description.
Before adding this fish
Use this checklist before treating the profile as a match for an existing aquarium.
- Plan for an aquarium of 45 L or larger.
- Choose other fish with overlapping temperature needs.
- Keep pH stable within the listed range instead of making sudden corrections.
- Avoid aggressive or highly competitive fish.
- Offer a varied diet that matches this species.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Red Skirt Betta get?
Red Skirt Betta reaches up to 4 cm according to this profile. It stays relatively small, but aquarium planning should still account for swimming room.
What aquarium size does Red Skirt Betta need?
Plan for an aquarium of 45 L or larger. Treat this as a baseline, because fish also need suitable swimming room and compatible fish.
Is Red Skirt Betta peaceful?
Yes. Red Skirt Betta 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 Red Skirt Betta?
The temperature range for this fish is 22 to 26 °C. Choose other fish with overlapping temperature needs and avoid sudden temperature swings.