Fish Database: Green Terror - Aequidens rivulatus
Aquarium requirements
Aquarium suitability: 3/5
Sociability rating: 3/10
Area of tank: Middle, bottom
Aquarium water conditions: 6-8.5, s,m,h,vh
Temperature: 20 - 25C
Feeding: Flake, dried, frozen, meaty, live foods
Minimum tank size: 120cm
Min / Max number in tank:
Sociability rating: 3/10
Area of tank: Middle, bottom
Aquarium water conditions: 6-8.5, s,m,h,vh
Temperature: 20 - 25C
Feeding: Flake, dried, frozen, meaty, live foods
Minimum tank size: 120cm
Min / Max number in tank:
Fish fact file
Family: Cichlidae (Cichlids)
Synonyms: Chromis rivulata, Acara aequinoctialis, A. azurifer, A. rivulata
Other common names: Vieja
Origin: South America; Peru, western Ecuador
Natural habitat: Coastal streams
Size: 20cm
Behavior: Territorial, aggressive
Breeding: Egg layers; parents will care for eggs and young
Natural water conditions: pH 6.5-8, hard
Sexing: Males are larger and develop a forehead bump, females are darker
Synonyms: Chromis rivulata, Acara aequinoctialis, A. azurifer, A. rivulata
Other common names: Vieja
Origin: South America; Peru, western Ecuador
Natural habitat: Coastal streams
Size: 20cm
Behavior: Territorial, aggressive
Breeding: Egg layers; parents will care for eggs and young
Natural water conditions: pH 6.5-8, hard
Sexing: Males are larger and develop a forehead bump, females are darker
Fish code No.1116
The Green Terror is given an apt name, they are territorial, aggressive, and intolerant of other fish. Very hardy and robust fishes of a similar size may make suitable tankmates, although problems may always occur. Provide hiding spots amongst rocks and wood. The fish will adapt to a wide range of water conditions and is relatively easy to keep. Green Terrors are sometimes confused with the Blue Acara Aequidens pulcher which is a smaller and much more peaceful fish.
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