Slime Catfish

Brachyplatystoma platynema

Photo of aquarium fish Slime Catfish
Natural range
  • South America area
  • Bolivia
  • Brazil
  • Colombia
  • Ecuador
  • Peru
  • Venezuela
Catfish Giants Conservation status: Least concern LC

Family:Pimelodidae (Long-whiskered Catfishes)

Other scientific names: Goslinia platynema, Taenionema steerei

The scientific name Brachyplatystoma platynema is assigned to the slime catfish, a representative of the family Pimelodidae (long-whiskered or flat-headed catfishes). Fishermen gave it this unusual name because bubbles appear around its mouth when a fisherman pulls the catfish out of the water and it tries to breathe air. This is an important commercial species for the local population. Beginner aquarists should not choose this catfish.

Required aquarium volume
from 1000 L
Size in aquarium
50 – 117 cm
Temperature
22 – 28 °C
Temperament
Predator, but semi-peaceful
Parameters
Temperature22 – 28 °C
Water pHSlightly acidic (6) – Slightly alkaline (8)
Water dHVery soft (1) – Very hard (21)
Water salinityno salt (freshwater)
Size in aquarium50 – 117 cm
Lifespan15 years
TemperamentPredator, but semi-peaceful
Toward small fishpredator
Required aquarium volumefrom 1000 L
Lightingdimmed
Substratecoarse sand
Water flowany
FeedingMeat / protein
KeepingBoth solitary and in group

Frequently asked questions

The essentials: size, tank volume, water parameters and care

How big does Slime Catfish get?

An adult reaches 50–117 cm in length. Plan the tank around the maximum size: the fish quickly outgrows a cramped setup.

What size aquarium does Slime Catfish need?

The recommended volume is 1000 L. A smaller tank speeds up nitrate build-up and raises stress levels.

What water parameters does Slime Catfish need?

Temperature 22–28 °C, pH 6–8, hardness 1–21 dGH. Stability matters more than exact values: sudden swings are harder on the fish than a small deviation from the ideal.

How long does Slime Catfish live?

Around 15 years when kept properly. Lifespan depends directly on tank volume, water quality and a varied diet.

Is Slime Catfish aggressive?

Temperament: predator, but semi-peaceful (gets along with large ones). This is a predatory species — any fish small enough to fit in its mouth will eventually be eaten.

How many Slime Catfish should be kept together?

Recommended setup: both solitary and in group (flexible). Ignoring this is a common cause of stress and disease.

What does Slime Catfish eat?

Diet type: meat / protein (live, frozen, fresh). Feed small portions that are finished within a couple of minutes — overfeeding does more harm than underfeeding.

What is the scientific name of Slime Catfish?

The scientific name of the species is Brachyplatystoma platynema, family Pimelodidae (Long-whiskered Catfishes). It also appears in the literature as: Goslinia platynema, Taenionema steerei.

Plants and this fish

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