The fish list

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.

Photo: B. Phalan, CC BY 4.0

Guyana leopard cactus

L600

Pseudacanthicus leopardus

Rupununi and Essequibo, Guyana, and the Rio Branco, Brazil · rapids

Temperature

26–30°C

pH

5.5–7.5

Adult size

12 in · 30 cm

Flow

Strong

Swims

Bottom

Temperament

Aggressive

Diet

Carnivore

Breeding

Rarely

Typical price

$90–300

In Canada

Rare

Rarity

Rare or hard to breed

Spotted cactus pleco with orange-edged fins. Large, spiny and aggressive with other plecos.

Photo: Sesamehoneytart, CC BY-SA 3.0