Description
Shovelnose Catfish (Sorubim lima)
📌 Basic Info
Scientific Name: Sorubim lima
Common Name: Shovelnose Catfish / Duckbill Catfish
Size: 18 – 24 inches (45 – 60 cm)
Lifespan: 10 – 15 years
Tank Zone: Bottom to mid (likes to rest near substrate, active at night)
🌊 Water Parameters
TDS (Total Dissolved Solids): 100 – 250 ppm
pH: 6.0 – 7.5
Temperature: 23°C – 28°C (74°F – 82°F)
Water Type: Freshwater, soft to moderately hard
Hardness: GH 4 – 12, KH 2 – 6
🐟 Characteristics
Recognized by its long flat head and shovel-like mouth.
Slender body with a silver/grey color and darker patterns.
Peaceful for its size, but predatory towards small fish.
Nocturnal → more active during the night.
🍽️ Food
Type: Carnivorous
Diet: Small fish, shrimp, worms, prawns, sinking carnivore pellets, frozen foods.
Feeding Frequency: 3–4 times per week (mainly at night).
🛠️ Maintenance
Tank Size: 180 gallons minimum for adults.
Weekly water change: 20–30%.
Provide sand or fine gravel substrate.
Needs hiding spots (driftwood, caves) + open swimming space.
Strong filtration → moderate to heavy waste producer.
👥 Social Behavior
Minimum Group Size: Can be kept singly or in groups (if space allows).
Tank Mates: Other medium to large peaceful fish (Silver Arowana, Oscars, Pacu, Severums, Bichirs).
Avoid: Small fish (will be eaten), overly aggressive species.
✅ Do’s
Keep in a large, well-filtered tank.
Provide hiding spaces + dim lighting.
Feed a variety of meaty foods.
Cover the tank well (they can jump).
❌ Don’ts
Don’t keep with small fish.
Don’t put in small tanks.
Don’t overfeed fatty foods (like beef heart).
Don’t keep in unstable/dirty water.
⭐ Quick Tips
A unique catfish with its distinctive shovel-shaped mouth.
More peaceful compared to Tiger Shovelnose, but still predatory.
Great for large freshwater aquariums with compatible tank mates.


