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FishbeginnerFreshwater

Pictus Catfish

Pimelodus pictus

AnimaliaChordataActinopterygiiPimelodidae

📍 Amazon & Orinoco Basins, South America

Ask Finn

Active, silver catfish with black spots and long barbels. Schools in the wild so keep in groups of 3+. A mid-water swimmer unlike most catfish. Will eat small fish that fit in its mouth.

Size4.5"
Min Tank55g
School3+
peaceful
Zonebottom

Care Guide

Diet

Pictus catfish are carnivorous and require high-protein foods including sinking pellets, frozen bloodworms, brine shrimp, and small live foods. Feed small amounts once daily, removing uneaten food within a few hours to maintain water quality. They will scavenge the substrate but should not rely solely on leftover food from other tank inhabitants.

Behavior

Pictus catfish are active, social bottom-dwellers that spend much of their time foraging along the substrate and mid-water column, unlike most benthic catfish species. They are peaceful toward similarly-sized fish but will consume very small fish and fry that fit in their mouths. These fish are schooling species and become stressed when kept alone, displaying more confident and natural behavior in groups of 3 or more.

Breeding

Breeding pictus catfish in captivity is extremely rare and difficult, with very few documented successful spawns in home aquariums. They require specific environmental triggers including cooler temperatures, increased water flow, and precise water chemistry that are challenging to replicate. Most pictus catfish in the hobby are wild-caught, making captive breeding impractical for most hobbyists.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, rapid breathing, rubbing against objects, lethargy

Treatment

Raise temperature gradually to 28-29°C, perform daily 25% water changes, use ich medication following label directions; maintain excellent water quality

Fin Rot

Symptoms

Frayed or deteriorating fins, discoloration at fin edges, fin loss progressing toward body

Treatment

Improve water quality with frequent partial water changes, remove any sharp tank décor, use antibacterial medication if severe; ensure adequate filtration

Barbel Damage/Infection

Symptoms

Shortened, frayed, or missing barbels; redness or swelling at barbel base

Treatment

Improve substrate quality (avoid sharp gravel), reduce stress, perform water changes, use antibacterial treatment if infected; provide smooth hiding spots

Bacterial Infection

Symptoms

Open sores, ulcers, cloudy eyes, loss of appetite, color fading

Treatment

Perform 50% water change immediately, treat with broad-spectrum antibiotic medication, isolate if possible, maintain pristine water conditions

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Quick Facts

pH
6.0–7.0
diet
carnivore
maxSize
5 inches
minTankSize
55 gallons
temperature
73–81°F (23–27°C)

Temperature

73–81°F

23–27°C

Stats

Community tips0
Kept by0 hobbyists