🧬 Origins and Classification
Scientific Name: Dermogenys pusilla (Platinum variety)
Family: Zenarchopteridae
The Half Beak Platinum is a unique freshwater fish known for its elongated lower jaw and elegant swimming style near the water’s surface. This species originates from Southeast Asia, where it inhabits calm rivers, streams, and shallow wetlands. Through selective breeding, aquarists developed the platinum variety to enhance its silvery-white coloration. Because of its unusual appearance and peaceful nature, the Half Beak Platinum attracts hobbyists looking for something different from standard community fish.
🎨 Appearance
They has a sleek, slender body that gives it a graceful and modern look.
Color & Features:
- Platinum silver to pale white body
- Slight metallic sheen under aquarium lighting
- Distinct elongated lower jaw (“half beak”)
- Transparent to lightly tinted fins
- Slender body adapted for surface swimming
Size and Lifespan:
- Average size: 2–3 inches
- Lifespan: 3–5 years with proper care
🏡 Tank Requirements
Tank Size: Minimum 15–20 gallons recommended.
Water Parameters
- Temperature: 74–82°F
- pH: 7.0–8.0
- Moderately hard water preferred
Environment Setup
The Half Beak Platinum prefers calm water with minimal surface disturbance. Aquarists should provide floating plants to reduce light intensity and help the fish feel secure. A tight-fitting lid is essential, as this species can jump. Gentle filtration and stable water conditions support long-term health.
🍽️ Diet
Type: Omnivore with carnivorous preference
Food Options:
- Floating pellets or flakes
- Live or frozen foods such as bloodworms and brine shrimp
- Occasional small insects or larvae
- Fine vegetable-based foods as supplements
Feed small amounts once or twice daily, ensuring food stays near the surface.
🤝 Behavior and Compatibility
The Half Beak Platinum is peaceful but slightly shy.
Compatible Tank Mates:
- Guppies
- Mollies
- Small tetras
- Corydoras catfish
Avoid:
- Aggressive fish
- Fin-nippers
- Large fast-moving species
Keeping Half Beak Platinum fish in small groups helps reduce stress and encourages natural behavior.
💡 Care Notes
They requires clean water and consistent maintenance to remain healthy. Weekly partial water changes help maintain stable parameters. Because this species lives near the surface, aquarists should monitor surface film and oxygen levels. With proper care, the Half Beak Platinum becomes an elegant and eye-catching addition to freshwater aquariums.



