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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.

Endangered✓ RarePopularPeacefulSmall (6 cm or less)Calm waterStrong flowSchooling✓ L-numbersWith photo ✓ Basic profiles too

The fishes 19 fish · new every day

Moon pleco

L368
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Plecos · ScobinancistrusRare

  • 27–31°C!
  • pH 5.5–7.5
  • Strong!
  • 12 in!
  • Bottom
  • Meat
  • Territorial!

Large white spots on black.

Unknown origin

Moon pleco

L368

Unknown origin · rapids

Temperature
27–31°C
pH
5.5–7.5
Adult size
12 in · 30 cm
Flow
Strong
Swims
Bottom
Temperament
Territorial
Diet
Carnivore
Breeding
Rarely
Typical price
$150–400
In Canada
Rare
Rarity
Rare or hard to breed

Large white spots on black. A big snail-eater that grows to about 30 cm, so it needs a large tank.

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Super white

L236
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Plecos · HypancistrusRare

  • 28–31°C!
  • pH 5.5–7.5
  • Strong!
  • 4 in
  • Bottom
  • Meat
  • Peaceful

Grading is by how much white shows, and the whitest fish sell for the most.

Rio Xingu, Pará, Brazil

Super white

L236

Rio Xingu, Pará, Brazil · rapids

Temperature
28–31°C
pH
5.5–7.5
Adult size
4 in · 9 cm
Flow
Strong
Swims
Bottom
Temperament
Peaceful
Diet
Carnivore
Breeding
Moderate, slow
Typical price
$200–1000
In Canada
Rare
Rarity
Rare or hard to breed

Grading is by how much white shows, and the whitest fish sell for the most. Best at 29–30°C with strong flow and protein-heavy food.

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Galaxy vampire

L029
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Plecos · LeporacanthicusRare

  • 26–30°C
  • pH 5.5–7.5
  • Strong!
  • 10 in!
  • Bottom
  • Meat
  • Aggressive!

The vampire pleco.

Rio Tocantins and nearby Pará rivers, Brazil

Galaxy vampire

L029

Leporacanthicus galaxias

Rio Tocantins and nearby Pará rivers, Brazil · rapids

Temperature
26–30°C
pH
5.5–7.5
Adult size
10 in · 25 cm
Flow
Strong
Swims
Bottom
Temperament
Aggressive
Diet
Carnivore
Breeding
Hard
Typical price
$60–200
In Canada
Occasional
Rarity
Rare or hard to breed

The vampire pleco. Beautiful, but it gets large and bullies smaller plecos.

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