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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 flowSchoolingL-numbersWith photo Basic profiles too
Showing: Family: Gouramis & bettas ✕

Gouramis & bettas 5 fish

Betta (Siamese fighting fish)

Betta (Siamese fighting fish) ≈

Gouramis & bettas · Betta

  • 24–30°C
  • pH 6–7.5
  • Calm
  • 2.6 in
  • Top/mid
  • Meat
  • Semi-agg.!

Lone male. Males fight. Keep one, or give each his own space.

Rice paddies and marshes of Thailand

Betta (Siamese fighting fish)

Betta splendens

Rice paddies and marshes of Thailand · swamp or paddy

Temperature
24–30°C
pH
6–7.5
Adult size
2.6 in · 6.5 cm
Flow
Calm
Swims
Top and mid-water
Temperament
Semi-aggressive
Diet
Carnivore
Group
1+
Typical price
$8–40

Lone male. Males fight. Keep one, or give each his own space.

Long fins. Fin nippers will pick on it.

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Photo: ErgoSum88, Public domain

Dwarf gourami

Dwarf gourami ≈

Gouramis & bettas · Trichogaster

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

Lone male. Males fight. Keep one, or give each his own space.

Slow, plant-choked waters of India and Bangladesh

Dwarf gourami

Trichogaster lalius

Slow, plant-choked waters of India and Bangladesh · swamp or paddy

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

Lone male. Males fight. Keep one, or give each his own space.

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Photo: Kennyannydenny, CC BY-SA 3.0

Honey gourami

Honey gourami ≈

Gouramis & bettas · TrichogasterStaple

  • 22–28°C
  • pH 6–7.5
  • Calm
  • 2 in
  • Top/mid
  • Mixed
  • Peaceful
  • 2+ group
Ponds and ditches of India and Bangladesh

Honey gourami

Trichogaster chuna

Ponds and ditches of India and Bangladesh · pond

Temperature
22–28°C
pH
6–7.5
Adult size
2 in · 5 cm
Flow
Calm
Swims
Top and mid-water
Temperament
Peaceful
Diet
Omnivore
Group
2+
Typical price
$5–9
Rarity
Pet-store staple
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Photo: Vincent Lim Show Chen, CC BY-SA 2.0

Pearl gourami

Pearl gourami ≈

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.

Peat swamps of Malaysia, Sumatra and Borneo

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

Sparkling gourami

Sparkling gourami ≈

Gouramis & bettas · TrichopsisStaple

  • 24–28°C
  • pH 6–7.5
  • Calm
  • 1.6 in
  • Top/mid
  • Meat
  • Peaceful
  • 4+ group
Rice paddies and ditches of Southeast Asia

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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