L600 Megalancistrus

Megalancistrus parananus

CatfishAdvanced

Species Details

One of the largest plecos available in the hobby. Beautiful but requires massive tank systems to house properly.

Advanced Care Level

Basic Information

Size40-45+ cm (16-18+ inches)
TemperamentPeaceful
DietHerbivorous
Lifespan15-20+ years
Tank Size1000+ litres (250+ gallons)

Water Parameters

Temperature
24-28°C (75-82°F)
pH Level
6.0-7.5
Hardness
5-20 dGH

Tank Mate Recommendations

Based on 1 selected species

Current Selection:

L600 Megalancistrus
Fully Compatible Species
Compatible

Venezuelan Orange Cory

Corydoras venezuelanus

Catfish
Size:6 cm (2.4 inches)
Care Level:Intermediate
Temperament:Peaceful
100%
Compatible

Skunk Cory

Corydoras arcuatus

Catfish
Size:7 cm (2.8 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Bandit Cory

Corydoras metae

Catfish
Size:6 cm (2.4 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Green Gold Cory

Corydoras melanotaenia

Catfish
Size:6.5 cm (2.6 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Leopard Cory

Corydoras leopardus

Catfish
Size:6 cm (2.4 inches)
Care Level:Intermediate
Temperament:Peaceful
100%
Compatible

Duplicate Cory

Corydoras duplicareus

Catfish
Size:6 cm (2.4 inches)
Care Level:Intermediate
Temperament:Peaceful
100%

💡 Tank Mate Tips

• Consider adult size when planning tank space

• Research specific water parameter requirements

• Introduce new fish gradually to reduce stress

• Monitor behavior closely during the first weeks

Quick Facts

Massive pleco that can reach 45+ cm (18+ inches)

Beautiful spotted pattern throughout body

Requires enormous tanks when fully grown

Extremely powerful and can move decorations

Lives 15+ years with proper care

Produces massive amounts of waste

Peaceful despite its enormous size

Only for dedicated large tank keepers

Excellent algae eater when young

Can live decades with proper care

Compatibility Summary

Compatible Species6
Requires Caution6

Care Requirements

Tank Size1000+ litres (250+ gallons)
Temperature24-28°C (75-82°F)
pH6.0-7.5
Hardness5-20 dGH