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Asian Peat Swamp
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Asian Peat Swamp

Peat swamp forests found in Southeast Asia characterized by extremely acidic blackwater rich in tannins and organic matter.

Ecological identity

What makes this biome unique

The Asian peat swamp is one of the most delicate biomes: very acidic water, low mineral content, tannins and reduced light. Many species come from dark, quiet habitats where excess light, hardness or abrupt changes cause stress.

Example aquarium

Recommended base

Recommended volume
80 L+
Temperature
24 - 28 C
pH
4 - 6.2
Visual parameters

Key conditions

Temperature
24 - 28 C
pH
4 - 6.2
GH
0 - 4 GH
KH
0 - 2 KH
Flow
Low
Lighting
Low
Recommended setup

How to recreate it

Use leaves, roots, botanicals and gentle filtration. The aquarium should mature before sensitive species are added. Low light and floating plants help reduce stress.

Best for

Aquarist profile

For advanced aquarists who enjoy delicate species, wild bettas, calm gouramis and slow observation tanks. It rewards patience and parameter control.

Not recommended

Avoid it if...

Not recommended for beginners who do not yet control pH, hardness and water changes. It is also unsuitable for livebearers, hard-water species or very bright aquariums.

Maintenance

Expected routine

Small regular water changes, hardness and pH measurements, and gradual botanical replacement. Avoid aggressive cleaning that suddenly removes tannins and microfauna.

Example aquarium

Suggested composition

Example aquarium: 45-90 liter species-focused setup with leaves, fine roots, amber water, floating plants and gentle filtration. A few well-chosen species are better than a broad community.

Suggested species
Siamese Fighting Fish Harlequin rasbora Kuhli loach Honey gourami Cherry shrimp Crystal red shrimp Nerite snail Tiger shrimp
Recommended plants

Floating plants, mosses, low-light Cryptocoryne, Microsorum and hardy epiphytes. In strict setups, leaves and roots may matter more than plants.

Species by role

Species associated with this biome

Indicative grouping using type, swim zone and ecological profile when available.

Centerpiece species

Midwater

Bottom and support

Invertebrates

Common mistakes explained

What usually breaks this biome

  • Water too hard: breaks the biological logic of the biome.
  • Unstable pH: is worse than a slightly less extreme but stable pH.
  • Too much light: inhibits natural behavior in shy species.
  • Too much mixing: many delicate species do better in specific setups.

Check whether your species fit this biome

Check whether your species tolerate very soft, acidic and low-light water before building an Asian peat swamp aquarium.

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