Freshwater fishes

The fish list

542 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: Rarity: Rare or hard to breed ✕

Rare or hard to breed 18 fish

← Earlier fishes

Super white

L236

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Plecos · HypancistrusRare

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

Super white

L236

Hypancistrus seideli

Rio Xingu, Pará, Brazil · river

Temperature: 26–30°C
pH: 5–7
Adult size: 5 in · 11.7 cm
Flow: Gentle
Swims: Bottom
Temperament: Peaceful
Diet: Omnivore
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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Moon pleco

L368

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Plecos · ScobinancistrusRare

Large white spots on black.

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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