Chocolate-colored Catfish (Rineloricaria lanceolata)

Family: Loricariidae

Chocolate-colored Catfish — a Loricariidae from South America, peaceful; most activity happens after dark. Reaches 9.2–13.5 cm; keep bottom stock light — they share one floor. 25–28 °C.

Care parameters

Water temperature
25–28 °C
pH
6–8
GH hardness
5–19 dGH
Adult length
9.2–13.5 cm
Minimum tank
219 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful; most activity happens after dark
Origin
South America

Species overview

Rineloricaria lanceolata is a Loricariidae from South America. In the wild it prefers warm freshwater streams and lakes; in the aquarium it stays peaceful. Plan on 9.2–13.5 cm of adult fish at 25–28 °C. In a community tank it pairs well with Mid-water schooling fish.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
Keep bottom stock light — they share one floor
Diet
Omnivorous scavenger — sinking pellets, frozen and vegetable foods
Recommended tankmates
  • Mid-water schooling fish — Use the space catfish ignore
Avoid keeping with
  • Fast surface feeders — Leave nothing for the bottom

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Spawning rarely seen; presumed crevice egg-layer

Frequently asked questions

Is Chocolate-colored Catfish easy to keep?

A moderate-level species: peaceful; most activity happens after dark; stable water matters more than fancy equipment.

What temperature and water chemistry does Chocolate-colored Catfish need?

Aim for 25–28 °C. Stable temperature matching the species origin; 25–28 °C recorded range.

How big does Chocolate-colored Catfish get, and what tank size?

Adults reach 9.2–13.5 cm; it is bottom-dwelling. Plan for at least 219 litres.

What does Chocolate-colored Catfish eat?

Omnivorous scavenger — sinking pellets, frozen and vegetable foods. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Chocolate-colored Catfish live with other fish?

Yes, with care. Peaceful; most activity happens after dark — pair it with Mid-water schooling fish — Use the space catfish ignore and skip Fast surface feeders — Leave nothing for the bottom.

Where does Chocolate-colored Catfish come from?

Comes from South America: warm freshwater streams and lakes. Expect still to gentle current and moderate oxygen levels.

Does Chocolate-colored Catfish jump?

Jumping is not a known issue; cover the tank anyway during water changes.

How does Chocolate-colored Catfish breed?

In the aquarium: spawning rarely seen; presumed crevice egg-layer. Subtle external differences.