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Fish Freshwater Care: hard Semi-aggressive

Leopard Cactus Pleco (L114)

Pseudacanthicus cf. leopardus
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Other names: L114, Pseudacanthicus leopardus, Pseudacanthicus sp. L114
Group: Plecos and suckermouth catfish · Family: Loricariidae · Origin: South America — Guiana Shield and northern Brazil

A Pseudacanthicus reaching 25 cm, with a spiny body decorated with dark leopard spots and fins edged in orange-red. Carnivorous and territorial; it needs an aquarium with a large footprint.

Will it suit my tank?

Last updated October 16, 2026

Temperature
25–29°C
pH
6–7.5
Hardness
2–10 dGH
Adult size
25 cm
Minimum tank size
500 liters
Social structure
Solitary
Swimming zone
Bottom
Diet
Carnivore
Breeding
Substrate spawner

Water parameters

Temperature25–29°C
pH6–7.5
General hardness (GH)2–10 dGH
Recommended range
Eats shrimp Eats snails Suitable for planted tanks

Overview

October 16, 2026 · Suggest an edit

The leopard cactus pleco is a Pseudacanthicus that stands out for its large dark spots on a light background and the orange-red margins on its fins. P. leopardus was described from the Rupununi River in Guyana; since it is not certain whether the fish sold under the number L114 are the same as this species, they are referred to as "cf. leopardus".

Adults reach 20–25 cm standard length. Like other members of its genus, it has spiny plates, is carnivorous and is territorial toward its own kind.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 500 liters and a 180 × 60 cm footprint for one adult.
  • A strong filter, flow and aeration.
  • Large caves and rock piles; 26–28°C.

Diet

October 16, 2026 · Suggest an edit

An omnivore leaning toward a carnivorous diet. Make mussel, pieces of shrimp, krill, bloodworms and protein-rich sinking tablets the staple; a small amount of vegetables can also be given.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Territorial; it can be aggressive toward its own kind and other plecos. It usually leaves medium and large fish alone.

Good companions: Medium and large robust fish: large tetras, Geophagus species, medium to large cichlids.

Avoid: Other plecos (in limited space), shrimp, snails, small and slow bottom dwellers.

A short profile for this species

The Leopard Cactus Pleco (L114) page has the basics, but the sections below have not been written yet. If you keep this species, write a section from your own experience; it will be published under your name after editor approval.

Tank mates

This list is calculated automatically from the species profile and grows as new species are added to the catalog. Try it in the planner for a definite answer.

Usually compatible

Should not be kept together

Hobbyist notes

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Change history and contributors
  1. Page created · October 16, 2026