New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🍃
Freshwater Aquarium

Southeast Asian Blackwater

A tank replicating Southeast Asian peat swamp forests - the black tannin-rich water of Malaysia, Sumatra, and Borneo.

Difficulty: Advanced Tank Size: 20g+ Recommended: 55g

📖 Overview

Peat-swamp biotopes host rare species: liquorice gouramis (Parosphromenus), chocolate gouramis, Sundadanio, and other softwater specialists. Requires pH 4-5, GH under 2, tannin-loaded water.