Semi-Lined Danio (Danio trangi) – ~4–5 cm

The Semi-Lined Danio is a small, active freshwater fish known for its slender body and subtle coloration. While specific markings are not well-documented, it likely exhibits characteristics similar to other Danio species, such as horizontal stripes or spots. This species is native to Vietnam's clear, fast-flowing streams and rivers.

🐟 Care Instructions

• Tank Setup:

  • Size: Minimum 60 L (~15 gallons) tank.

  • Substrate: Fine gravel or smooth sand.

  • Decor: Rocks, driftwood, and hardy plants like Anubias or Java Fern to mimic its natural habitat.

• Water Conditions:

  • Temperature: 22–26 °C (72–79 °F).

  • pH: 6.5–7.5.

  • Hardness: 5–15 dGH.

  • Flow: Moderate to strong water movement with good filtration to simulate stream conditions.Petcosimstropicalfish.co.uk+8Wikipedia+8Garnelio.de+8

• Diet:

  • Omnivorous: Accepts a variety of foods including high-quality flake food, micro pellets, frozen or live foods like daphnia, brine shrimp, and bloodworms.

  • Feeding Frequency: Feed small amounts 1–2 times daily.

• Behavior & Tankmates:

  • Social: Best kept in groups of 6 or more.

  • Temperament: Peaceful and active; compatible with other small, peaceful species.

  • Tankmates: Avoid aggressive or fin-nipping species.

• Breeding:

  • Spawning: Egg scatterers; no parental care.

  • Setup: Provide dense planting or spawning mops for egg deposition.

  • Fry Care: Remove adults after spawning to prevent egg predation.