Green Terror

The Green Terror Cichlid is a stunning and popular South American cichlid known for its iridescent green and blue body, accented with bright orange or white edging on the fins. Despite its intimidating name, its aggression is moderate compared to other “terror” cichlids, though it can still become highly territorial—especially during breeding. Its vibrant coloration and bold personality make it a favorite centerpiece fish.  

Green Terror Cichlid (Andinoacara rivulatus) – Complete Care Guide Description The Green Terror Cichlid is a stunning and popular South American cichlid known for its iridescent green and blue body, accented with bright orange or white edging on the fins. Despite its intimidating name, its aggression is moderate compared to other “terror” cichlids, though it can still become highly territorial—especially during breeding. Its vibrant coloration and bold personality make it a favorite centerpiece fish. Water Parameters Temperature: 24°C – 28°C pH: 6.5 – 7.5 Hardness: 5 – 15 dGH Tank Size: Minimum 55 gallons (75+ gallons recommended for pairs) Water Type: Soft to moderately hard, clean and well-filtered Stable parameters and good filtration are key to keeping them healthy. Care & Maintenance Green Terror Cichlids are relatively hardy but need proper setup: Provide a spacious tank with open swimming areas Include rocks, driftwood, and caves for territory Use strong filtration due to their waste output Perform regular water changes (25–40% weekly) Choose sturdy plants or artificial décor, as they may dig A well-structured aquarium helps reduce territorial aggression. Behaviour & Temperament This species is semi-aggressive to aggressive: Territorial, especially as it matures Aggression increases significantly during breeding Can be kept singly or as a bonded pair Displays dominance and may bully weaker tank mates They are intelligent, interactive, and highly responsive to their environment. Suitable Tank Mates Best paired with medium to large, semi-aggressive fish: Other robust South American cichlids (similar size) Silver Dollars Larger barbs Plecos and other armored catfish Tank mates should be strong enough to handle occasional aggression. Tank Mates to Avoid Avoid small, peaceful, or delicate species: Tetras and Rasboras Guppies and Mollies Gouramis Angelfish (may be bullied) Slow-moving or long-finned fish These are likely to be harassed or injured. Pro Tips Provide ample space to minimize aggression Add multiple hiding spots and territorial boundaries Feed a balanced omnivorous diet (pellets, frozen foods, occasional protein-rich treats) Monitor closely during breeding periods Avoid overcrowding to reduce stress and conflict Ideal for semi-aggressive community or species-specific tanks The Green Terror Cichlid is a vibrant and dynamic fish that offers both beauty and personality. With the right setup and compatible tank mates, it becomes a striking and rewarding centerpiece in larger freshwater aquariums.