Calvus Cichlid

Altolamprologus calvus

CichlidsIntermediate
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Species Details

Calvus Cichlids are uniquely adapted Lake Tanganyika cichlids with laterally compressed bodies perfect for navigating rock crevices. They are patient ambush predators with beautiful colour variations.

Intermediate Care Level

Basic Information

Size12-15 cm (5-6 inches)
TemperamentSemi-Aggressive
DietCarnivorous
Lifespan10-15 years
Tank Size208+ litres (55+ gallons)

Water Parameters

Temperature
24-27°C (75-81°F)
pH Level
8.0-9.0
Hardness
12-25 dGH

Tank Mate Recommendations

Based on 1 selected species

Current Selection:

Calvus Cichlid
Fully Compatible Species
Compatible

Angelfish

Pterophyllum scalare

Cichlids
Size:15 cm tall, 20 cm long (6 inches tall, 8 inches long)
Care Level:Beginner
Temperament:Peaceful/Semi-aggressive
100%
Compatible

Tanganyikan Cichlids

Various Lamprologus, Julidochromis, Neolamprologus

Cichlids
Size:5-20 cm (2-8 inches)
Care Level:Intermediate
Temperament:Semi-aggressive
100%
Compatible

Guppies

Poecilia reticulata

Livebearers
Size:3-6 cm (1.2-2.4 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Tetras

Various Tetra species

Characins
Size:2.5-7.5 cm (1-3 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Pleco Catfish

Various Hypostomus, Pterygoplichthys species

Catfish
Size:15-45 cm (6-18 inches)
Care Level:Intermediate
Temperament:Peaceful but territorial
100%
Compatible

Barbs

Various Barbus, Puntius species

Cyprinids
Size:5-15 cm (2-6 inches)
Care Level:Beginner
Temperament:Peaceful/Semi-aggressive
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

Compressed body shape for navigating rock crevices

Ambush predator with patient hunting style

Multiple colour varieties from different locations

Requires rocky environment with tight spaces

Slow-growing species taking 2+ years to mature

Males develop longer fins and larger size

Endemic to rocky shores of Lake Tanganyika

Carnivorous diet with live and frozen foods

Peaceful towards fish too large to eat

Prized for unique body shape and colours

Compatibility Summary

Compatible Species6
Requires Caution3
View full compatibility analysis →

Care Requirements

Tank Size208+ litres (55+ gallons)
Temperature24-27°C (75-81°F)
pH8.0-9.0
Hardness12-25 dGH

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