A stunning, brightly colored dwarf cichlid native to the Meta River basin in Colombia. They are intelligent, sand-sifting micropredators that form complex social hierarchies. While relatively peaceful in a community setting, they become fiercely territorial during breeding. Soft, sandy substrate is strictly required for their gill-sifting feeding behavior.
Apistogramma macmasteri At a Glance
Apistogramma macmasteri Tank Requirements
Will Apistogramma macmasteri fit in your tank?
Care guides tell you what Apistogramma macmasteri needs, the next question is whether your tank can safely provide it. Test Apistogramma macmasteri against your tank size, maintenance needs, and the fish you already keep before you buy.
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Apistogramma macmasteri Water Parameters
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Apistogramma macmasteri Temperament & Compatibility
Apistogramma macmasteri Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Male
Males are larger, exhibiting striking red and gold facial/fin markings and extended dorsal fins. They are highly intolerant of other males. Strictly one male per tank is recommended unless the footprint is exceptionally large (120cm+).
Differs in 2 traits from base species
Also known as: Red Neck, Gold Macmasteri, Show Male
Female
Females are significantly smaller and less ornate, turning a vivid 'bumblebee' yellow with dark black markings when ready to breed. Multiple females can be kept in a harem with a single male, provided enough caves are available.
Differs in 4 traits from base species
Also known as: Yellow Female, Breeding Female
Apistogramma macmasteri Care Guide Summary
The Apistogramma macmasteri, scientifically known as Apistogramma macmasteri, belongs to the Cichlids - South American family group. Adults reach a maximum size of approximately 8 cm and have a compressed body shape with a moderate growth rate. Classified as semi-aggressive, this species primarily occupies the bottom and mid-level zones of the aquarium and produces a high level of biological waste.
To thrive, the Apistogramma macmasteri 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 28°C, with a pH range of 5.5–7.5 and a general hardness of 1–10 dGH. A low water flow is preferred.
Due to its specialist needs, the Apistogramma macmasteri is best suited for fishkeepers who can provide a carefully planned setup. This species is available in 2 varieties: Male 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.
Apistogramma macmasteri Habitat Setup
When setting up an aquarium for the Apistogramma macmasteri, a low water flow best suits their natural preferences. Because this species occupies the bottom and mid-level 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, 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. Keepers should note that expect substrate disturbance, so lightweight décor should be secured.
Apistogramma macmasteri Compatibility Notes
Classified as semi-aggressive, the Apistogramma macmasteri 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, 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 and mid-level zones can help reduce competition and territorial overlap.
Apistogramma macmasteri Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Apistogramma macmasteri.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 19 more tank sizes
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Frequently Asked Questions About Apistogramma macmasteri
How big does Apistogramma macmasteri get?
Apistogramma macmasteri (Apistogramma macmasteri) typically reaches a maximum adult size of approximately 8 cm. They have a compressed body shape and a moderate growth rate.
What tank size does Apistogramma macmasteri need?
A minimum aquarium volume of 60 litres and a tank length of at least 60 cm are recommended for Apistogramma macmasteri. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Apistogramma macmasteri need?
Apistogramma macmasteri thrives in freshwater only conditions with a temperature range of 24–28°C, a pH between 5.5 and 7.5, and a general hardness of 1–10 dGH. A low water flow is preferred.
Is Apistogramma macmasteri peaceful or aggressive?
Apistogramma macmasteri is classified as semi-aggressive with an aggression score of 6 out of 10. They can work in community setups but may clash with certain tankmates.
Can Apistogramma macmasteri live alone?
Yes, Apistogramma macmasteri can be kept singly or in a group. They are flexible and adapt well to both setups.
Does Apistogramma macmasteri have any special tank requirements?
Yes. Apistogramma macmasteri benefits from sand (sifters), driftwood (digestion/hiding), leaf litter/blackwater, and plants - densely covered in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Plants That Suit Apistogramma macmasteri
These plants pair well with Apistogramma macmasteri based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
Amazon Frogbit
Limnobium laevigatum
Asian Watergrass
Hygroryza aristata
Asian Watermoss
Salvinia cucullata
Carolina Mosquito Fern
Azolla caroliniana
Common Duckweed
Lemna minor
Crystalwort
Riccia fluitans
Fish Similar to Apistogramma macmasteri
Apistogramma viejita
Apistogramma viejita
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Hongsloi Apistogramma
Apistogramma hongsloi
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Apistogramma atahualpa
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Apistogramma baenschi
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