A strikingly colorful cichlid with electric green-blue body tones, orange edged fins, and a robust personality. Known for its beauty and bold behavior.
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A strikingly colorful cichlid with electric green-blue body tones, orange edged fins, and a robust personality. Known for its beauty and bold behavior.
Oval, laterally compressed body with shimmering green-blue. Orange or red edging on tail and dorsal fin. Males develop longer fins and a head hump when mature.
7–10 years
Omnivorous; high-quality pellets or flakes, live/frozen foods (earthworms, bloodworms, krill, brine shrimp), and regular vegetable matter (blanched spinach, peas, dark leafy greens).
Green Terrors are spectacular show fish ideal for aquarists ready to manage their aggression and tank requirements. Their bold colors and fascinating behaviors make them a true centerpiece in spacious, well-maintained aquariums.
Intermediate to Advanced; requires large tank, careful tankmate selection, and regular water changes.
55 gallons for one, 75+ gallons for pairs or mixed communities
6.5 to 8.0
5–20 dGH
72–80°F (22–27°C)
8–12 inches (20–30 cm), males larger than females
Oscars, Jack Dempsey, large Plecos, catfish, other robust cichlids. Avoid overcrowding; ensure territory for each major fish.
Small community fish, delicate species, dwarf shrimp/invertebrates, or other fish unable to defend territory.
Andinoacara rivulatus
Cichlidae
Rivers of Peru and Ecuador (western South America)
Highly territorial and aggressive; best kept singly, in pairs, or with large robust fish that can hold their own.
Feed 2–3 times daily; mix commercial foods, meaty frozen/live treats, and vegetable matter for color and health.
Substrate spawner; pairs lay 400–600 eggs on flat rocks. Both parents protect and fan eggs and fry.
Pairs lay eggs on cleaned flat rocks. Fry hatch in 3–4 days, are guarded by parents, and should be fed baby brine shrimp or crushed flakes.
pH: 6.5–8.0, Temperature: 72–80°F (22–27°C), Hardness: 5–20 dGH, Nitrate: <50 ppm
Ich, HLLE (hole-in-the-head), Lymphocystis, fin rot, minor injuries from aggression. Prevent with clean water, stable environment, and good diet.
Aggressive and territorial, especially during breeding. Best kept singly or with robust, similarly-sized tankmates.
Highly territorial and sometimes aggressive, especially in smaller tanks or when breeding. Will dig and rearrange substrate. Social as juveniles; pair-bonded adults become more territorial.
Green Terrors are South American cichlids admired for their vivid coloration and personality. Males grow larger and develop 'nuchal humps,' while both sexes show intense blue-green colors and orange fin margins. They thrive in tanks with sandy substrate, rocks, driftwood, and plenty of hiding spaces. Territorial, especially when spawning, they require ample space and careful tankmate management. Strong filtration and regular maintenance are essential to manage their bio-load and aggression. Plants are safe if rooted to decor; floating or securely anchored plants work best.