Halfbeak (Zenarchopteridae family)
$9
Halfbeaks are surface-dwelling, livebearing fish known for their long lower jaw and torpedo-shaped bodies. They’re often compared to needlefish but are generally smaller
📏 Size & Lifespan
- Adult size: 2–4 inches (species dependent)
- Lifespan: ~3–5 years with good care
🌡️ Water Parameters
- Temperature: 75–82°F (24–28°C)
- pH: 6.8–7.8 (slightly alkaline preferred)
- Hardness: Soft–moderate
- Flow: Gentle
- Tank level: They live at the surface, so calm water is key
⚠️ Tight lid required — halfbeaks are strong jumpers.
🏡 Tank Setup
- Tank size: 20 gallons minimum (long tanks are better)
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Best layout:
- Floating plants (Salvinia, Frogbit, Water lettuce)
- Open surface areas
- Minimal surface agitation
- Lighting: Moderate (too bright can stress them)
They feel safest when the surface is broken up with plant cover.