Green Terror Cichlid: The Ultimate 2025 Care Guide
Green Terror Cichlid (Andinoacara rivulatus) is a beautiful freshwater fish that hobbyists adore for its bright colors and fiery temperament. It is a South American native that needs extra care to survive in a home aquarium.
In this article, we will discuss everything you need to know about Green Terror Cichlids, including diet and environment, breeding and aquarium setup. If you’re thinking of adding this stunning fish to your tank, read on for expert tips and advice!
Green Terror Cichlid Bio Table
Below describes the bio table of the Green Terror Cichlid.
Feature | Details |
Scientific Name | Andinoacara rivulatus |
Common Name | Green Terror Cichlid |
Family | Cichlidae |
Origin | South America (Ecuador, Peru) |
Lifespan | 7-10 years |
Size | Up to 12 inches (30 cm) |
Temperament | Aggressive |
Diet | Omnivorous |
Water Temperature | 72-80°F (22-27°C) |
pH Level | 6.5-8.0 |
Tank Size | Minimum 55 gallons for one fish |
Green Terror Cichlid Overview
Green Terror Cichlids are by far the most gorgeous freshwater fish, having a blue, green, and orange glaze to them. They are territorial and aggressive and should be left alone by experienced aquarists who can tolerate their tank conditions and behavior.

They are intelligent and used to their owners but, being territorial, should be housed with tankmates who can stand up for themselves.
Green Terror Habitat & Tank Setup
All fishes have different habitats and tank setup. Here is described the Green Terror habitat and tank setup.
Tank Size & Environment
Minimum 55 gallons will be required for one Green Terror Cichlid.
75-100 gallons for a spawning pair or community.
Provide hiding places behind rocks, driftwood, and caves to reduce aggression.
Provide lots of open swimming space as they are very active swimmers.
Water Conditions
Temperature: 72-80°F (22-27°C)
pH Level: 6.5-8.0
Water Hardness: Moderate
Filtration: Maintain clean water with a good-quality filter.
Substrate: Soft sand or fine gravel is recommended.
Tank Mates
Since they are aggressive, tank mates need to be carefully selected. Some of the safe tank mates for them include:
Oscar Fish
Plecos
Silver Dollar Fish
Avoid small and peaceful fish like Neon Tetras or Guppies since they will be devoured.
Green Terror Diet & Feeding
Green Terror Cichlids are omnivores and consume plant and animal diets. For them to be healthy, feed them:
Best Foods for Green Terror Cichlid
High-quality cichlid pellets (diet)
Live foods: Earthworms, mealworms, and crickets
Frozen foods: Bloodworms, brine shrimp, and krill
Vegetables: Zucchini, spinach, and peas
Feed them twice daily and provide them with a balanced diet to enhance their color and overall well-being.
Green Terror Breeding Green Terror Cichlids
Green Terrors are difficult to breed due to their aggressive nature, but they can be bred using the proper equipment.
Breeding Tips
Select a healthy pair: Green Terror Cichlids are monogamous.
Increase tanks size: 75+ gallons ideal for breeding.
Eggs on flat rock.
78-80°F consistent water conditions.
Sex the males that are injuring the female.
Female spawns 200-600 eggs after which both parents will defend them. The eggs hatch in 3-4 days and the fry are free-swimming after seven days. Ground flakes and baby brine shrimp are fed to the fry.
Green Terror Common Diseases & Prevention
Just like all fish, Green Terrors are prone to some diseases. Let’s discuss these diseases and prevention tips.
Common Diseases
Ich (White Spot Disease): Treatment with high temperature and aquarium salt.
Fin Rot: Because of bad water quality; treat with antibiotics.
Hole in the Head Disease: Because of bad diet and water.
Prevention Tips
Keep healthy water and parameters.
Quarantine new fish before introducing them to the tank.
Feed a better diet to build immunity.
Conclusion
The Green Terror Cichlid is a stunning and rewarding fish to keep, but it requires careful attention to tank setup, diet, and aggression management. They are best suited for experienced aquarists who can handle their territorial behavior and provide them with an environment where they can thrive.
If you’re looking for a beautiful yet challenging fish to add to your aquarium, the Green Terror Cichlid is an excellent choice!
FAQs
Are Green Terror Cichlids Difficult to Care For?
Green Terror Cichlids require moderate to advanced care as they are nippy and demanding in terms of water quality. They are best suited for expert fish keepers.
How Fast do Green Terror Cichlids Grow?
Green Terror Cichlids grow very quickly in their first year, reaching approximately 6-8 inches within a period of about 12 months. With proper care, they will reach their full size of 10-12 inches.
Are Green Terror Cichlids Single-Kept?
Green Terror Cichlids can be kept alone in a 55-gallon tank or bigger. But if kept as tankmates, keep big, semi-aggressive fish that will tolerate their territoriality.