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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.

EndangeredRarePopularPeacefulSmall (6 cm or less)✓ Calm waterStrong flow✓ SchoolingL-numbersWith photo Basic profiles too
Showing: Home water: Swamp or paddy ✕

Swamp or paddy 3 fish

Chili rasbora

Chili rasbora ≈

Rasboras & danios · BorarasStaple

  • 20–28°C
  • pH 4–7
  • Calm
  • 0.8 in
  • Mid
  • Mixed
  • Peaceful
  • 8+ group!
Peat swamps of southwest Borneo

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
View full profile

Photo: Daiju Azuma, CC BY-SA 4.0

Harlequin rasbora

Harlequin rasbora ≈

Rasboras & danios · TrigonostigmaStaple

  • 22–28°C
  • pH 5–7.5
  • Calm
  • 1.8 in
  • Mid
  • Mixed
  • Peaceful
  • 8+ group!
Peat swamp streams, Malay Peninsula and Sumatra

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
View full profile

Photo: NasserHalaweh, CC BY-SA 4.0

Kuhli loach

Kuhli loach ≈

Loaches · PangioStaple

  • 24–29°C
  • pH 5.5–7
  • Calm
  • 4 in
  • Bottom
  • Mixed
  • Peaceful
  • 5+ group
Peat swamp streams of Malaysia and Indonesia

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
View full profile

Photo: Robert Mollik, CC BY-SA 4.0

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