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FishmediumFreshwater

South American Bumblebee Catfish

Pseudopimelodus bufonius

📍 South America

The South American Bumblebee Catfish (Pseudopimelodus bufonius) is a nocturnal, bottom-dwelling catfish native to South American river systems, recognized by its striking yellow and black banded pattern. It is a hardy and moderately sized catfish that makes an interesting addition to larger community aquariums with appropriately sized tankmates. This species is secretive by nature, spending most of the day hidden among caves, driftwood, and rocky crevices.

Size6"
Min Tank55g
semi-aggressive
Zonebottom

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Care Guide

Diet

The South American Bumblebee Catfish is a carnivore that thrives on meaty foods such as bloodworms, earthworms, brine shrimp, and high-quality sinking carnivore pellets. Feed once daily in the evening or after lights out, as this species is most active at night. Avoid overfeeding, as uneaten food can quickly degrade water quality in the lower tank zones.

Behavior

This catfish is primarily nocturnal and will spend most of the daylight hours hiding in caves, under driftwood, or among rocky structures. It is generally peaceful toward larger tankmates but may prey upon small fish or invertebrates that fit in its mouth. It is typically solitary and does not require the company of its own kind, though it can be kept with other similarly sized, robust fish.

Breeding

Breeding Pseudopimelodus bufonius in captivity is rarely achieved and considered difficult. Little is documented about their specific breeding triggers, but conditioning with live foods and simulating seasonal water changes with slightly cooler, softer water may encourage spawning behavior. They are believed to be cave spawners, so providing suitable hiding spots is essential if breeding is attempted.

Common Diseases

Ich (White Spot Disease)

Symptoms

Small white spots resembling grains of salt on the body and fins, flashing or rubbing against surfaces, lethargy

Treatment

Raise water temperature gradually to 28-29 C (82-84 F) and treat with an ich-specific medication; use half doses as catfish can be sensitive to medications

Bacterial Infection (Columnaris / Fin Rot)

Symptoms

Frayed or disintegrating fins, white or grayish patches on the body, ulcers, lethargy

Treatment

Improve water quality immediately; treat with broad-spectrum antibacterial medication such as kanamycin or nitrofurazone at reduced doses appropriate for scaleless/sensitive fish

Internal Parasites

Symptoms

Hollow belly despite eating, white stringy feces, weight loss, lethargy

Treatment

Treat with antiparasitic medication containing metronidazole or praziquantel added to food or water column

Fungal Infection

Symptoms

Cotton-like white or gray tufts on the body or fins, often secondary to wounds or poor water quality

Treatment

Improve water conditions, remove affected fish to a quarantine tank, and treat with antifungal medication such as methylene blue or aquarium-safe antifungal treatments

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Quick Facts

diet
Carnivore – prefers meaty foods such as worms, shrimp, and sinking pellets
lifespan
8-12 years
max size
15 cm (6 in)
tank size
55 gallons minimum
temperament
semi-aggressive

Water it likes

ph
6.0-7.5
ammonia
0 ppm
nitrate
<20 ppm
hardness
2-15 dGH
temperature
72–79°F (22–26°C)

Stats

Community tips0
Kept by0 hobbyists