Agassiz's Dwarf Cichlid

Apistogramma agassizii

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

A stunning South American dwarf cichlid known for its distinct spade-shaped tail and brilliant color morphs. They are bottom-dwelling micro-predators that sift sand for food. While generally peaceful in community tanks, they are highly territorial when breeding. They thrive in soft, acidic blackwater conditions.

Agassiz's Dwarf Cichlid At a Glance

Adult Size7.5 cm
Body ShapeCompressed
Growth RateModerate
TemperamentSemi-Aggressive
Water TypeFreshwater Only
Flow PreferenceLow
Waste OutputMedium
StockingSolo or group

Agassiz's Dwarf Cichlid Tank Requirements

Minimum Volume60 L
Minimum Length60 cm
FlowLow
Water TypeFreshwater Only
Must-Haves in the Tank
Sand (Sifters)Leaf Litter/BlackwaterDriftwood (Digestion/Hiding)Plants - Densely covered
Stocking calculator

Will Agassiz's Dwarf Cichlid fit in your tank?

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

Agassiz's Dwarf Cichlid
Test in my tank

Agassiz's Dwarf Cichlid Water Parameters

Temperature2429°C
pH4.57
Hardness18 dGH

Agassiz's Dwarf Cichlid Temperament & Compatibility

Aggression LevelSemi-Aggressive
5/10
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
Territorial (Defends specific area)Shrimp EaterFry PredatorShy / Slow Moving (Easily Stressed)

Agassiz's Dwarf Cichlid Varieties

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

Male (Standard / Color Morphs)

Males are larger, vibrantly colored, and possess the signature spade-shaped caudal fin. They are strictly intolerant of other males of the same species. Best kept as a single male per tank, either alone, in a pair, or with a harem of females.

Differs in 3 traits from base species

Also known as: Double Red, Fire Gold, Tefe, Male Apisto

TemperamentSemi-Aggressive
StockingSolo only
Behavior Traits
Territorial (Defends specific area)Aggressive to same species/look-alikesShrimp EaterFry Predator

Female

Females are significantly smaller and typically display a subdued yellowish-brown color. When breeding and guarding fry, they turn a striking, vivid yellow with black markings and become fiercely protective of their brood. Can be kept in harems.

Differs in 3 traits from base species

Also known as: Yellow Apisto, Brooding Female

Adult Size5 cm
TemperamentSemi-Aggressive
Behavior Traits
Territorial (Defends specific area)Shrimp EaterFry PredatorShy / Slow Moving (Easily Stressed)

Agassiz's Dwarf Cichlid Care Guide Summary

The Agassiz's Dwarf Cichlid, scientifically known as Apistogramma agassizii, belongs to the Cichlids - South American family group. Adults reach a maximum size of approximately 7.5 cm and have a compressed body shape with a moderate growth rate. Classified as semi-aggressive, this species primarily occupies the bottom zone of the aquarium and produces a medium level of biological waste.

To thrive, the Agassiz's Dwarf Cichlid requires a freshwater only aquarium with a minimum volume of 60 litres and a tank length of at least 60 cm. Water temperature should be maintained between 24°C and 29°C, with a pH range of 4.57 and a general hardness of 18 dGH. A low water flow is preferred.

Due to its specialist needs, the Agassiz's Dwarf Cichlid is best suited for fishkeepers who can provide a carefully planned setup. This species is available in 2 varieties: Male (Standard / Color Morphs) and Female. 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.

Agassiz's Dwarf Cichlid Habitat Setup

When setting up an aquarium for the Agassiz's Dwarf Cichlid, a low water flow best suits their natural preferences. Because this species occupies the bottom zone, the aquarium layout should prioritise sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour, driftwood, which can serve as both a hiding place and a dietary supplement, leaf litter or blackwater tannins to replicate their natural soft-water habitat, and dense planting to provide cover, break sightlines, and reduce stress.

Agassiz's Dwarf Cichlid Compatibility Notes

Classified as semi-aggressive, the Agassiz's Dwarf Cichlid is adaptable and can be kept singly or in a small group, offering flexibility when planning a community tank. When choosing tankmates, ornamental shrimp are not safe companions, territorial behaviour may cause issues if hiding spots or floor space are limited, and boisterous or fast-moving tankmates may cause this species undue stress. Selecting tankmates that favour different water layers from the bottom zone can help reduce competition and territorial overlap.

Who Agassiz's Dwarf Cichlid Is Actually For

Agassiz's Dwarf Cichlid is best for a fishkeeper who wants a species that can settle into a calmer community setup 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 Agassiz's Dwarf 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.

Agassiz's Dwarf Cichlid Recommended Tank Sizes

Standard aquarium sizes that meet the minimum volume and length requirements for Agassiz's Dwarf Cichlid.

Show 19 more tank sizes

Agassiz's Dwarf Cichlid Feeding & Diet Considerations

The Agassiz's Dwarf Cichlid will hunt and eat ornamental shrimp, making it unsuitable for shrimp-focused setups and will eat fry, so breeding efforts in the same tank are unlikely to succeed.

Frequently Asked Questions About Agassiz's Dwarf Cichlid

How big does Agassiz's Dwarf Cichlid get?

Agassiz's Dwarf Cichlid (Apistogramma agassizii) typically reaches a maximum adult size of approximately 7.5 cm. They have a compressed body shape and a moderate growth rate.

What tank size does Agassiz's Dwarf Cichlid need?

A minimum aquarium volume of 60 litres and a tank length of at least 60 cm are recommended for Agassiz's Dwarf Cichlid. This ensures enough swimming space and helps maintain stable water conditions.

What water parameters does Agassiz's Dwarf Cichlid need?

Agassiz's Dwarf Cichlid thrives in freshwater only conditions with a temperature range of 24–29°C, a pH between 4.5 and 7, and a general hardness of 1–8 dGH. A low water flow is preferred.

Is Agassiz's Dwarf Cichlid peaceful or aggressive?

Agassiz's Dwarf Cichlid is classified as semi-aggressive with an aggression score of 5 out of 10. They can work in community setups but may clash with certain tankmates.

Can Agassiz's Dwarf Cichlid live alone?

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

Is Agassiz's Dwarf Cichlid safe with shrimp?

No. Agassiz's Dwarf Cichlid is known to eat ornamental shrimp and is not recommended for shrimp tanks. Even larger shrimp species like Amano Shrimp may be at risk.

Does Agassiz's Dwarf Cichlid have any special tank requirements?

Yes. Agassiz's Dwarf Cichlid benefits from sand (sifters), leaf litter/blackwater, driftwood (digestion/hiding), and plants - densely covered 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?
Contact the editorial team

Fish Similar to Agassiz's Dwarf Cichlid

Golden Dwarf Cichlid

Nannacara anomala

Cichlids - South American
8 cm Mostly Peaceful

A striking South American dwarf cichlid known for its metallic sheen and fascinating behavior. While generally peaceful and excellent for community tanks, they exhibit extreme sexual dimorphism. Females are infamous for becoming hyper-aggressive 'terrors' when guarding eggs or fry, willing to attack fish many times their size.

Apistogramma Orange-tail

Apistogramma cf. eunotus "Orange-tail"

Cichlids - South American
7.5 cm Semi-Aggressive

A beautiful South American dwarf cichlid known for its personality and stunning coloration. They are micropredators that naturally inhabit slow-moving tributaries with sandy bottoms and leaf litter. While generally peaceful towards non-cichlid tank mates (like tetras and pencilfish), they are highly territorial among their own kind and will readily hunt dwarf shrimp.

Rio Negro Dwarf Cichlid

Ivanacara adoketa

Cichlids - South American
10 cm Aggressive

A stunning but highly aggressive blackwater cichlid from the Rio Negro basin in Brazil. Famous for its striking 'zebra' striping, especially during courtship. They require very soft, highly acidic water to thrive. Despite being categorized sometimes as 'dwarf' cichlids, they possess the temperament of much larger Central American species and are best kept in species-only setups or pairs.

Three-striped Dwarf Cichlid

Apistogramma trifasciata

Cichlids - South American
6 cm Mostly Peaceful

A stunning dwarf cichlid native to the Guaporé and Paraguay river basins in South America. They are renowned for their striking metallic blue sheen and the male's spectacular sail-like dorsal fin. As peaceful micropredators, they are excellent for planted community tanks, but require soft, acidic water, stable parameters, and a fine sand substrate to sift through.

Banded Apistogramma

Apistogramma bitaeniata

Cichlids - South American
7.5 cm Semi-Aggressive

A stunning South American dwarf cichlid native to the blackwater streams of the Amazon basin. Known for their distinct dual lateral stripes, they are a bottom-dwelling species that requires soft, acidic water, sandy substrate, and complex environments with caves or leaf litter. They are generally peaceful in a community tank but highly territorial towards other bottom-dwellers, especially when breeding.

Cockatoo Dwarf Cichlid

Apistogramma cacatuoides

Cichlids - South American
7.5 cm Semi-Aggressive

A highly popular and vibrant dwarf cichlid native to the Amazon basin. Named for the male's flamboyant, crest-like dorsal fin. They are cave-spawners that require a fine sand substrate (which they sift through their gills) and plenty of hiding spots. While generally peaceful in community tanks, they become fiercely territorial when breeding.