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Saving the world’s tropical fish, one tank at a time.

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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 Rare ✓ Popular Peaceful Small (6 cm or less)Calm water ✓ Strong flow Schooling L-numbers ✓ With photo Basic profiles too

Showing: River & region: Tocantins ✕

Tocantins 1 fish

Red-fin cactus

L024

Red-fin cactus

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Plecos · PseudacanthicusRare

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

Dark body with red fin edges.

Red-fin cactus

L024

Pseudacanthicus pitanga

Rio Tocantins, Brazil · rapids

Temperature: 26–30°C
pH: 5.5–7.5
Adult size: 16 in · 40 cm
Flow: Strong
Swims: Bottom
Temperament: Aggressive
Diet: Carnivore
Breeding: Rarely
Typical price: $130–400
In Canada: Rare
Rarity: Rare or hard to breed

Dark body with red fin edges. Large and aggressive.

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Photo: B. Phalan, CC BY 4.0

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