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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.

EndangeredRare✓ PopularPeacefulSmall (6 cm or less)Calm water✓ Strong flowSchoolingL-numbersWith photo Basic profiles too
Showing: Rarity: Uncommon ✕

Uncommon 3 fish

Queen arabesque

L260
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Plecos · HypancistrusUncommon

  • 27–30°C!
  • pH 5.5–7.5
  • Strong!
  • 4 in
  • Bottom
  • Meat
  • Peaceful

Fine white maze lines on black.

Rio Tapajós, Brazil

Queen arabesque

L260

Rio Tapajós, Brazil · rapids

Temperature
27–30°C
pH
5.5–7.5
Adult size
4 in · 11 cm
Flow
Strong
Swims
Bottom
Temperament
Peaceful
Diet
Carnivore
Breeding
Moderate
Typical price
$60–150
In Canada
Occasional
Rarity
Uncommon

Fine white maze lines on black. One of the most refined patterns in the genus.

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Mega clown

L340
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Plecos · HypancistrusUncommon

  • 27–30°C!
  • pH 5.5–7.5
  • Strong!
  • 5 in
  • Bottom
  • Meat
  • Peaceful

Thick, irregular white bands on black, like a coarse zebra.

Tapajós basin, Brazil

Mega clown

L340

Tapajós basin, Brazil · rapids

Temperature
27–30°C
pH
5.5–7.5
Adult size
5 in · 12 cm
Flow
Strong
Swims
Bottom
Temperament
Peaceful
Diet
Carnivore
Breeding
Moderate
Typical price
$40–120
In Canada
Occasional
Rarity
Uncommon

Thick, irregular white bands on black, like a coarse zebra.

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Rio Curuá pleco

L401
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Plecos · HypancistrusUncommon

  • 26–30°C
  • pH 5.5–7.5
  • Strong!
  • 4 in
  • Bottom
  • Meat
  • Peaceful

Dark with a golden net pattern.

Rio Curuá, Iriri–Xingu basin, Brazil

Rio Curuá pleco

L401

Rio Curuá, Iriri–Xingu basin, Brazil · rapids

Temperature
26–30°C
pH
5.5–7.5
Adult size
4 in · 11 cm
Flow
Strong
Swims
Bottom
Temperament
Peaceful
Diet
Carnivore
Breeding
Moderate
Typical price
$50–100
In Canada
Occasional
Rarity
Uncommon

Dark with a golden net pattern. It can cross with L236, so only mix them in a tank you won’t sell fry from.

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