Macrostoma Male IB134 is a rare wild betta from Borneo with vivid coloration, peaceful temperament, and perfect for blackwater or softwater aquariums.

Macrostoma Male (IB134) – Detailed Product Description

Species Overview

The Macrostoma Male (IB134) (Betta macrostoma) is a highly sought-after wild betta from Borneo, Indonesia. This locality strain is prized for its natural coloration, elegant body structure, and preservation of authentic wild genetics. Unlike ornamental bettas, Macrostoma maintains its natural behavior, making it a true collector’s species for hobbyists who appreciate rare, wild-type fish.

Ideal for blackwater or softwater setups, this species is a striking centerpiece for any well-planted aquarium.

🌟Appearance & Coloration

Natural, vivid body coloration—typically reddish to bronze hues

Subtle iridescent highlights along fins and scales under proper lighting

Rounded, wild-type fins

Compact adult size: 4–6 cm

Coloration intensifies in soft, acidic blackwater conditions

Its coloration and body form make it highly attractive in planted or biotope-style aquariums.

🌟Temperament & Behavior

Generally peaceful, though males are territorial during breeding

Paternal mouthbrooder: male carries eggs until fry hatch

Active mid- to lower-water swimmer

Prefers shaded areas and dense plant cover

Best kept in species-only tanks or with carefully selected peaceful tank mates

🌟Tank Requirements

Minimum tank size: 20–30 liters (5–8 gallons) for a single fish

Gentle filtration (sponge filter preferred)

Low water flow mimicking slow-moving blackwater streams

Dense plants, driftwood, and leaf litter for natural hiding spots

Secure lid is essential as bettas are jumpers

🌟Water Conditions

pH: 4.5–6.5

Ammonia/Nitrite: 0 ppm

Nitrate: <20 ppm

Regular partial water changes (10–20% weekly) maintain optimal conditions.

🌟Aquascaping Recommendations

Dark substrate enhances natural coloration

Driftwood and leaf litter create tannin-rich blackwater

Floating plants for shading and stress reduction

Dense planting encourages natural behavior and territorial boundaries

🌟Feeding Habit & Diet

Macrostoma Male is carnivorous:

Live or frozen brine shrimp

Feed small portions 1–2 times daily, removing uneaten food to maintain water quality.

🌟Tank Mates & Compatibility

Best kept in species-only tanks

Can coexist with small, peaceful fish tolerant of softwater conditions

Avoid aggressive or fin-nipping species

Male territoriality increases during breeding periods

🌟Breeding Information

Paternal mouthbrooder

Male incubates eggs for 10–14 days

Soft, acidic water improves breeding success

Fry require infusoria or microworms initially

Breeding preserves wild genetics and is ideal for experienced aquarists.

🌟Care & Maintenance

Intermediate care level

Maintain stable water and soft, slightly acidic conditions

Monitor water quality regularly

Provide shaded hiding areas to reduce stress

🌟Ideal For

Wild betta collectors

Blackwater aquarium hobbyists

Nano aquarium enthusiasts

Breeders aiming to preserve authentic wild genetics

🌟Why Choose Macrostoma Male (IB134)?

This rare wild betta combines vivid natural coloration, peaceful yet fascinating behavior, and authentic wild genetics. With softwater care, gentle filtration, and blackwater-style aquascaping, it becomes a captivating centerpiece in any home or collector aquarium.