
Red-Tailed Dwarf Cichlid red mask (Apistogramma macmasteri red mask)
24–28°C · pH 5.5–7 · 60L

A red-tail Alenquer form of Apistogramma agassizii for mature planted soft-water aquariums with caves and calm tank mates.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Apistogramma agassizii
Apistogramma agassizii Alenquer Red Tail bond and breed in male/female pairs — buying a pair gives them the social structure they need.
A red-tail Alenquer form of Apistogramma agassizii for mature planted soft-water aquariums with caves and calm tank mates.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.

Cichlids are one of the most diverse fish families in the hobby. From tiny apistogrammas to massive oscars, this guide covers the basics of keeping them well.
Maintain these water conditions for optimal health and vibrant colors
Apistogramma agassizii Alenquer Red Tail is a South American dwarf cichlid form selected for warm red tail colour and classic Apistogramma behaviour. It suits a mature, planted, soft-water aquarium with caves, leaf litter or botanicals, and calm tank mates.
| Sale size | 4-5 cm on this variant |
|---|---|
| Adult size | Up to about 7.5 cm total length in aquarium conditions |
| Water | Soft to moderately soft freshwater, 24-28°C, pH 5.5-7.0 |
| Temperament | Generally peaceful, but territorial around caves when breeding |
| Diet | Quality micro pellets plus frozen/live daphnia, brine shrimp and similar foods |
Keep this Apistogramma with small peaceful fish that enjoy similar soft-water conditions. Provide several caves or shaded territories so pairs and females can choose cover. Avoid boisterous cichlids, fin nippers and very hard-water setups.
The old listing had spelling and keyword residue around the locality name. This version uses Apistogramma agassizii and Alenquer Red Tail consistently while keeping the supplier strain identity visible.
Livestock is packed for UK delivery by a licensed live-animal courier and covered by our Live Arrival Guarantee when the policy conditions are followed.

24–28°C · pH 5.5–7 · 60L

24–28°C · pH 5.5–7 · 60L

24–28°C · pH 5.5–7 · 60L

24–28°C · pH 5.5–7 · 60L

24–28°C · pH 5.5–7 · 60L

24–28°C · pH 5.5–7 · 60L

18–26°C · pH 6.5–8 · 30L

23–27°C · pH 7.4–8.4 · 500L

20–27°C · pH 6–7 · 54L

23–27°C · pH 7.4–8.4 · 150L

24–28°C · pH 6.5–7.8 · 300L

20–24°C · pH 7–8 · 45L

24–28°C · pH 6.5–7.5 · 2000L

24–28°C · pH 7.5–8.5 · 200L

18–25°C · pH 6–8 · 100L

24–28°C · pH 7–8 · 120L

18–28°C · pH 6.5–8 · 20L

24–27°C · pH 7.5–8.8 · 150L

22–26°C · pH 6–7.5 · 60L

24–28°C · pH 7.5–8.5 · 40L

24–28°C · pH 7.5–8.5 · 500L

28–30°C · pH 5.5–7.5 · 300L