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Fish Freshwater Care: easy Peaceful

Chocolate Doradid

Acanthodoras cataphractus
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Other names: Chocolate talking catfish, Talking catfish, Spiny catfish, Acanthodoras
Group: Other catfish · Family: Doradidae · Origin: South America — lower Amazon basin and the coastal rivers of the Guianas

A small thorny catfish staying around 10 cm, known for its chocolate-brown body, spiny bony plates and creaking sounds. It is peaceful; it hides during the day and roams the bottom at night.

Will it suit my tank?

Last updated October 16, 2026

Temperature
22–27°C
pH
6–7.5
Hardness
2–15 dGH
Adult size
10 cm
Minimum tank size
100 liters
Social structure
School
Swimming zone
Bottom
Diet
Omnivore
Breeding
Other

Water parameters

Temperature22–27°C
pH6–7.5
General hardness (GH)2–15 dGH
Recommended range
Considered shrimp safe Suitable for planted tanks

Overview

October 16, 2026 · Suggest an edit

Acanthodoras cataphractus is one of the small-growing members of the talking catfish family (Doradidae). Its chocolate-brown body is patterned with pale cream blotches; it carries spiny bony plates on its flanks and strong spines in its pectoral fins. By rubbing these spines it produces creaking sounds. Adults stay at around 10 cm, which makes it one of the species in the family best suited to medium-sized aquariums.

Tank Setup

October 16, 2026 · Suggest an edit
  • At least 100 liters for one to three individuals.
  • Root hollows, caves and pipes; it likes to wedge itself into tight gaps.
  • Soft sand and dried leaves; it occasionally buries itself in the sand.
  • 22–27°C, pH 6.0–7.5; dim light.

Diet

October 16, 2026 · Suggest an edit

Omnivorous. It eats sinking tablets, frozen bloodworms, brine shrimp, mysis and vegetable tablets. Offer food after the lights go out.

Behavior and Compatibility

October 16, 2026 · Suggest an edit

Very peaceful and shy; it also gets along with its own kind. Because its mouth is small, only fry and very small invertebrates are at risk. Its hooked plates get caught in nets; catch it with a container and avoid handling it.

Good companions: tetras, rasboras, peaceful barbs, dwarf cichlids, corydoras, gouramis.

Avoid: aggressive cichlids and large predators whose mouths it would fit into.

A short profile for this species

The Chocolate Doradid 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