Half Beak - Planted tank fish - Each

Halfbeak aquarium fish are interesting and unique additions to freshwater aquariums, known for their distinctive beak-like mouthparts and surface-dwelling habits.

Quick Factors

• Common Species in Aquariums: Wrestling Halfbeak (Dermogenys pusilla), Celebes Halfbeak (Nomorhamphus liemi)
• Appearance: Slender body, elongated lower jaw (“beak”), metallic silver/gray sheen, some species with red or yellow fins
• Size: 2.5–4 inches (6–10 cm), depending on species
• Lifespan: 3–5 years in captivity
• Tank Size: Minimum 20 gallons (prefer long tanks for surface area)
• Water Temperature: 75–82°F (24–28°C)
• pH Range: 6.5–7.5 (slightly acidic to neutral, species dependent)
• Water Type: Freshwater to slightly brackish (some species benefit from marine salt trace)
• Diet: Surface feeders, primarily carnivorous – flakes, micro-pellets, brine shrimp, daphnia, bloodworms, mosquito larvae, fruit flies
• Temperament: Peaceful with other species; mildly territorial among males; best kept in groups of 4–6
• Tank Setup: Tight lid (jumpers!), floating plants for cover, calm water flow, natural aquascape with plants
• Compatible Tankmates: Small tetras, rasboras, Corydoras, dwarf gouramis
• Avoid Tankmates: Large, aggressive, or fin-nipping fish
• Breeding: Livebearers – fry are free-swimming; survival improves with heavy plant cover
• Care Level: Moderate – sensitive to poor water quality and stress