Pastel Cichlid

Cribroheros alfari

Cichlids - Central American
Reviewed by Guidarium Editorial DeskUpdated May 7, 2026

A strikingly beautiful Central American cichlid known for its pastel yellow, pink, and blue iridescent coloration. It is a substrate-sifting species that loves to dig in sand. Like many Central American cichlids, it can be highly territorial and aggressive, especially during breeding. Requires robust filtration and spacious quarters.

Pastel Cichlid At a Glance

Adult Size22 cm
Body ShapeCompressed
Growth RateModerate
TemperamentAggressive
Water TypeFreshwater Only
Flow PreferenceModerate
Waste OutputHigh
StockingSolo or group

Pastel Cichlid Tank Requirements

Minimum Volume250 L
Minimum Length120 cm
FlowModerate
Water TypeFreshwater Only
Must-Haves in the Tank
Sand (Sifters)Driftwood (Digestion/Hiding)Smooth Gravel (Sensitive Barbels)
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Will Pastel Cichlid fit in your tank?

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

Pastel Cichlid
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Pastel Cichlid Water Parameters

Temperature2430°C
pH6.58
Hardness520 dGH

Pastel Cichlid Temperament & Compatibility

Aggression LevelAggressive
7/10
Where They Swim
Surface
Mid-level
Bottom
Stocking Guidelines
Keep at Least1 (solo is fine)
Max per TankNo limit
Can Live Alone?Yes
Behavior Traits
Digger (Disturbs Substrate)Plant DestroyerTerritorial (Defends specific area)Generally AggressiveAggressive to same species/look-alikes

Pastel Cichlid Varieties

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

Adult (Standard)

The fully grown adult form. Males may develop a slight nuchal hump and extended fin trailers. Highly territorial; best kept with other robust, similarly sized Central American cichlids or as a solitary centerpiece.

Differs in 1 trait from base species

Also known as: Adult Pastel Cichlid, Breeder

Behavior Traits
Digger (Disturbs Substrate)Plant DestroyerTerritorial (Defends specific area)Generally AggressiveAggressive to same species/look-alikes

Juvenile (Grow-out)

Juvenile stage commonly sold in stores. They will grow rapidly and become significantly more aggressive as they mature. Must be upgraded to a 250L+ aquarium within the first year.

Differs in 6 traits from base species

Also known as: Baby Pastel Cichlid, Unsexed Juvenile

Adult Size6 cm
TemperamentMostly Peaceful
Min Volume110 L
Min Length75 cm
Growth RateFast
Behavior Traits
Digger (Disturbs Substrate)Territorial (Defends specific area)Hyperactive / Fast Swimmer

Pastel Cichlid Care Guide Summary

The Pastel Cichlid, scientifically known as Cribroheros alfari, belongs to the Cichlids - Central American family group. Adults reach a maximum size of approximately 22 cm and have a compressed body shape with a moderate growth rate. Classified as aggressive, this species primarily occupies the mid-level and bottom zones of the aquarium and produces a high level of biological waste.

To thrive, the Pastel Cichlid requires a freshwater only aquarium with a minimum volume of 250 litres and a tank length of at least 120 cm. Water temperature should be maintained between 24°C and 30°C, with a pH range of 6.58 and a general hardness of 520 dGH. A moderate water flow is preferred.

Due to its specialist needs, the Pastel Cichlid is best suited for fishkeepers who can provide a carefully planned setup. This species is available in 2 varieties: Adult (Standard) 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.

Pastel Cichlid Habitat Setup

When setting up an aquarium for the Pastel 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.

Pastel Cichlid Compatibility Notes

Classified as aggressive, the Pastel Cichlid is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, conspecific aggression can be intense, especially in smaller tanks and territorial behaviour may cause issues if hiding spots or floor space are limited. Selecting tankmates that favour different water layers from the mid-level and bottom zones can help reduce competition and territorial overlap.

Who Pastel Cichlid Is Actually For

Pastel 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 Pastel 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.

Pastel Cichlid Recommended Tank Sizes

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

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Frequently Asked Questions About Pastel Cichlid

How big does Pastel Cichlid get?

Pastel Cichlid (Cribroheros alfari) typically reaches a maximum adult size of approximately 22 cm. They have a compressed body shape and a moderate growth rate.

What tank size does Pastel Cichlid need?

A minimum aquarium volume of 250 litres and a tank length of at least 120 cm are recommended for Pastel Cichlid. This ensures enough swimming space and helps maintain stable water conditions.

What water parameters does Pastel Cichlid need?

Pastel Cichlid thrives in freshwater only conditions with a temperature range of 24–30°C, a pH between 6.5 and 8, and a general hardness of 5–20 dGH. A moderate water flow is preferred.

Is Pastel Cichlid peaceful or aggressive?

Pastel Cichlid is classified as aggressive with an aggression score of 7 out of 10. Careful tankmate selection is essential to avoid conflict.

Can Pastel Cichlid live alone?

Yes, Pastel Cichlid can be kept singly or in a group. They are flexible and adapt well to both setups.

Does Pastel Cichlid have any special tank requirements?

Yes. Pastel Cichlid benefits from sand (sifters), driftwood (digestion/hiding), and smooth gravel (sensitive barbels) 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
May 7, 2026
Last updated
May 7, 2026
Issues or corrections?
Contact the editorial team

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