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Cichla ocellaris

Peacock Bass

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Quick facts

Length
750mm SL30in SL
Tank base
not recorded
Temp
24–27°C75–81°F
pH
6.5–7.0
Hardness
0–15dGH

Difficulty4 of 6 measures

Moderate

More bars, more demanding.

Space
very large tank
Water
mild adjustment
Temp
steady heat
Temperament
territorial
Social
unknown
Compatibility
unknown

Due to their large size, Peacock Bass are only really recommended for the experienced fishkeeper that can house them adequately. That said, they are a hardy and robust species that will adapt to a variety of conditions. Peacock Bass are becoming much more available in the hobby and are often seen for sale as cute 2" babies, often tempting people into buying a fish they will not be able to care for in the long term. Peacock Bass are also fished as a sport fish....

Distribution

Native to northern South America in Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil. Introduced populations exist in various countries, including Singapore and the USA.

Habitat

Native to northern South America in Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil. Introduced populations exist in various countries, including Singapore and the USA.

Aquarium size

Standard length
750mm SL30in SL
Aquarium base
not recorded

More suited to public aquaria, otherwise a very large tank required. Ultimately, this fish will require a tank of at least 10'x3'x4' (l x h x w) for an adult fish. Smaller aquaria can be used for younger specimens but realistically you should not acquire this fish if you cannot house it long term.

Maintenance

This species requires a lot of swimming space, so it is a good idea to furnish the tank fairly sparsely. Large pieces of bogwood and robust plants are recommended. These are large messy fish and require filtration that is up to the job. External or sump filtration should be considered.

Water conditions

Temperature
24–27°C75–81°F
pH
6.5–7.0
Hardness
0–15dGH

Temperature: 24 – 27 °C75 – 81 °F

pH: 6.5 - 7.0

Hardness: Up to 15°H

Diet

Piscivorous in nature. The diet should consist of meaty foods such as prawn, mussel, lancefish, whitebait and other white fish.

Behaviour and compatibility

Territorial and moderately aggressive. Can be kept in species groups or with other large species such as arowana, stingrays, large cats and other large cichlids. An extremely large tank is required to achieve this with any degree of success.

Will eat tankmates small enough to be considered food.

Sexual dimorphism

The male is larger and develops a nuchal hump as he matures.

Reproduction

Limited reports of breeding in the hobby.

Notes

Due to their large size, Peacock Bass are only really recommended for the experienced fishkeeper that can house them adequately. That said, they are a hardy and robust species that will adapt to a variety of conditions.

Peacock Bass are becoming much more available in the hobby and are often seen for sale as cute 2" babies, often tempting people into buying a fish they will not be able to care for in the long term.

Peacock Bass are also fished as a sport fish.

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Missing: aquarium size, a photograph, photograph credits, references, a recorded distribution, taxonomic authority, social needs, community suitability, etymology.