Red Devil Cichlid

Amphilophus labiatus

Cichlids - Central American
Reviewed by Guidarium Editorial DeskUpdated April 28, 2026

A massive, extremely aggressive Central American cichlid. Aptly named, the Red Devil is highly intelligent, interactive, and famous for 'glass-banging' at their owners. They are powerful diggers that will uproot plants and rearrange decor. Because of their sheer aggression and jaw strength, they are almost exclusively kept as 'wet pets' in solitary setups.

Red Devil Cichlid At a Glance

Adult Size35 cm
Body ShapeCompressed
Growth RateFast
TemperamentHighly Aggressive
Water TypeFreshwater Only
Flow PreferenceModerate
Waste OutputExtreme
StockingSolo only

Red Devil Cichlid Tank Requirements

Minimum Volume280 L
Minimum Length120 cm
FlowModerate
Water TypeFreshwater Only
Must-Haves in the Tank
Sand (Sifters)Smooth Gravel (Sensitive Barbels)Driftwood (Digestion/Hiding)
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Will Red Devil Cichlid fit in your tank?

Care guides tell you what Red Devil Cichlid needs, the next question is whether your tank can safely provide it. Test Red Devil Cichlid against your tank size, maintenance needs, and the fish you already keep before you buy.

Red Devil Cichlid
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Red Devil Cichlid Water Parameters

Temperature2428°C
pH6.58
Hardness620 dGH

Red Devil Cichlid Temperament & Compatibility

Aggression LevelHighly Aggressive
10/10
Where They Swim
Surface
Mid-level
Bottom
Stocking Guidelines
Keep at Least1 (solo is fine)
Max per Tank1
Can Live Alone?Yes
Behavior Traits
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerPiscivore (Eats small/nano fish)Hyperactive / Fast Swimmer

Red Devil Cichlid Varieties

Each variety inherits the species defaults above. Only differences are highlighted.

Adult Male (Standard)

Adult males grow significantly larger and often develop a pronounced nuchal hump on their head. They are fiercely territorial and usually require a 75-gallon (280L) minimum tank to themselves.

Differs in 1 trait from base species

Also known as: Male Red Devil, Adult, Bull

Behavior Traits
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Plant DestroyerPiscivore (Eats small/nano fish)Hyperactive / Fast Swimmer

Adult Female

Females are slightly smaller and generally lack the massive nuchal hump of the males. Despite this, their temperament is still incredibly aggressive.

Differs in 3 traits from base species

Also known as: Female Red Devil

Adult Size28 cm
TemperamentHighly Aggressive
Min Volume200 L

Juvenile (Grow-out)

Young Red Devils are usually sold around 2-3 inches. They may exhibit drabber, barred coloring before 'peeling' into their bright orange/red adult colors. They grow exceptionally fast and will require massive tank upgrades shortly.

Differs in 4 traits from base species

Also known as: Baby Red Devil, Juvenile

Adult Size7.5 cm
TemperamentAggressive
Min Volume110 L
Min Length75 cm

Red Devil Cichlid Care Guide Summary

The Red Devil Cichlid, scientifically known as Amphilophus labiatus, belongs to the Cichlids - Central American family group. Adults reach a maximum size of approximately 35 cm and have a compressed body shape with a fast growth rate. Classified as highly aggressive, this species primarily occupies the mid-level and bottom zones of the aquarium and produces a extreme level of biological waste.

To thrive, the Red Devil Cichlid requires a freshwater only aquarium with a minimum volume of 280 litres and a tank length of at least 120 cm. Water temperature should be maintained between 24°C and 28°C, with a pH range of 6.58 and a general hardness of 620 dGH. A moderate water flow is preferred.

Due to its specialist needs, the Red Devil Cichlid is best suited for fishkeepers who can provide a carefully planned setup. This species is available in 3 varieties: Adult Male (Standard), Adult Female, and Juvenile (Grow-out). Each may differ slightly in size, temperament, or care needs, so it is worth checking the specific requirements of the variety you plan to keep.

Red Devil Cichlid Habitat Setup

When setting up an aquarium for the Red Devil Cichlid, a moderate water flow best suits their natural preferences. Because this species occupies the mid-level and bottom zones, the aquarium layout should prioritise open swimming space in the centre of the tank for free movement and sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour, smooth gravel or rounded substrate to protect their sensitive barbels, and driftwood, which can serve as both a hiding place and a dietary supplement. Keepers should note that expect substrate disturbance, so lightweight décor should be secured and live planted layouts may be difficult to maintain, as this species tends to uproot or consume vegetation.

Red Devil Cichlid Compatibility Notes

Classified as highly aggressive, the Red Devil Cichlid is best housed alone, as they do not tolerate others of their kind in confined spaces. When choosing tankmates, any fish small enough to fit in its mouth will likely be eaten, conspecific aggression can be intense, especially in smaller tanks, territorial behaviour may cause issues if hiding spots or floor space are limited, and their energetic swimming style may stress more sedentary or timid species. Selecting tankmates that favour different water layers from the mid-level and bottom zones can help reduce competition and territorial overlap.

Who Red Devil Cichlid Is Actually For

Red Devil Cichlid is best for a fishkeeper who expects a species with attitude and plans the tank around that behavior and can provide someone who understands its individual space requirements. It makes the most sense for a hobbyist who will actually build around its needs, especially sand.

The most common mistake is treating Red Devil Cichlid like any other community fish and skipping the soft sand it needs to forage safely. Another frequent problem is forcing it into an over-busy community when it would do better with more room or more deliberate tankmate choices.

Red Devil Cichlid Recommended Tank Sizes

Standard aquarium sizes that meet the minimum volume and length requirements for Red Devil Cichlid.

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Frequently Asked Questions About Red Devil Cichlid

How big does Red Devil Cichlid get?

Red Devil Cichlid (Amphilophus labiatus) typically reaches a maximum adult size of approximately 35 cm. They have a compressed body shape and a fast growth rate.

What tank size does Red Devil Cichlid need?

A minimum aquarium volume of 280 litres and a tank length of at least 120 cm are recommended for Red Devil Cichlid. This ensures enough swimming space and helps maintain stable water conditions.

What water parameters does Red Devil Cichlid need?

Red Devil Cichlid thrives in freshwater only conditions with a temperature range of 24–28°C, a pH between 6.5 and 8, and a general hardness of 6–20 dGH. A moderate water flow is preferred.

Is Red Devil Cichlid peaceful or aggressive?

Red Devil Cichlid is classified as highly aggressive with an aggression score of 10 out of 10. Careful tankmate selection is essential to avoid conflict.

Can Red Devil Cichlid live with others of its kind?

No. Only one Red Devil Cichlid should be kept per tank. Keeping multiples in the same aquarium typically results in aggression and stress.

Does Red Devil Cichlid have any special tank requirements?

Yes. Red Devil Cichlid benefits from sand (sifters), smooth gravel (sensitive barbels), and driftwood (digestion/hiding) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
April 28, 2026
Last updated
April 28, 2026
Issues or corrections?
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