Freshwater fishes

The fish list

499 species, each with the water it needs, who it gets along with, and where it comes from. Find one, or browse by family, genus or river.

Endangered Rare ✓ Popular ✓ Peaceful Small (6 cm or less)Calm water Strong flow Schooling L-numbers With photo Basic profiles too

Showing: River & region: Southeast Asia ✕

Southeast Asia 7 fish

Celestial pearl danio

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Rasboras & danios · DanioStaple

20–26°C
pH 6.5–7.5
Calm
1 in
Mid/bottom
Mixed
Peaceful
6+ group!

Celestial pearl danio

Danio margaritatus

Spring-fed ponds, Shan Plateau, Myanmar · pond

Temperature: 20–26°C
pH: 6.5–7.5
Adult size: 1 in · 2.5 cm
Flow: Calm
Swims: Mid-water and bottom
Temperament: Peaceful
Diet: Omnivore
Group: 6+
Typical price: $4–7
Rarity: Pet-store staple

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Photo: Cisamarc, CC BY-SA 3.0

Chili rasbora

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Rasboras & danios · BorarasStaple

20–28°C
pH 4–7
Calm
0.8 in
Mid
Mixed
Peaceful
8+ group!

Chili rasbora

Boraras brigittae

Peat swamps of southwest Borneo · swamp or paddy

Temperature: 20–28°C
pH: 4–7
Adult size: 0.8 in · 2 cm
Flow: Calm
Swims: Mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 8+
Typical price: $3–5
Rarity: Pet-store staple

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Photo: Daiju Azuma, CC BY-SA 4.0

Harlequin rasbora

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Rasboras & danios · TrigonostigmaStaple

22–28°C
pH 5–7.5
Calm
1.8 in
Mid
Mixed
Peaceful
8+ group!

Harlequin rasbora

Trigonostigma heteromorpha

Peat swamp streams, Malay Peninsula and Sumatra · swamp or paddy

Temperature: 22–28°C
pH: 5–7.5
Adult size: 1.8 in · 4.5 cm
Flow: Calm
Swims: Mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 8+
Typical price: $3–5
Rarity: Pet-store staple

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Photo: NasserHalaweh, CC BY-SA 4.0

Kuhli loach

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Loaches · PangioStaple

24–29°C
pH 5.5–7
Calm
4 in
Bottom
Mixed
Peaceful
5+ group

Kuhli loach

Pangio kuhlii

Peat swamp streams of Malaysia and Indonesia · swamp or paddy

Temperature: 24–29°C
pH: 5.5–7
Adult size: 4 in · 9 cm
Flow: Calm
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
Group: 5+
Typical price: $4–8
Rarity: Pet-store staple

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Photo: Robert Mollik, CC BY-SA 4.0

Pearl gourami

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Gouramis & bettas · Trichopodus

24–28°C
pH 6–7.5
Calm
5 in
Top/mid
Mixed
Peaceful

Long fins. Fin nippers will pick on it.

Pearl gourami

Trichopodus leerii

Peat swamps of Malaysia, Sumatra and Borneo · swamp or paddy

Temperature: 24–28°C
pH: 6–7.5
Adult size: 5 in · 12 cm
Flow: Calm
Swims: Top and mid-water
Temperament: Peaceful
Diet: Omnivore
Group: 1+
Typical price: $7–14

Long fins. Fin nippers will pick on it.

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Photo: BEDO (Thailand), CC BY-SA 4.0

Siamese algae eater

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Other fish · CrossocheilusStaple

24–26°C
pH 6.5–7
Gentle
6 in
Bottom/mid
Veg
Peaceful
3+ group

Siamese algae eater

Crossocheilus oblongus

Streams of Thailand and the Malay Peninsula · stream

Temperature: 24–26°C
pH: 6.5–7
Adult size: 6 in · 15 cm
Flow: Gentle
Swims: Bottom and mid-water
Temperament: Peaceful
Diet: Grazer
Group: 3+
Typical price: $4–8
Rarity: Pet-store staple

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Photo: User:Ark pl wiki, CC BY 3.0

Sparkling gourami

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Gouramis & bettas · TrichopsisStaple

24–28°C
pH 6–7.5
Calm
1.6 in
Top/mid
Meat
Peaceful
4+ group

Sparkling gourami

Trichopsis pumila

Rice paddies and ditches of Southeast Asia · swamp or paddy

Temperature: 24–28°C
pH: 6–7.5
Adult size: 1.6 in · 4 cm
Flow: Calm
Swims: Top and mid-water
Temperament: Peaceful
Diet: Carnivore
Group: 4+
Typical price: $4–8
Rarity: Pet-store staple

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Photo: Zikamoi, CC BY-SA 3.0

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