Edit Hoplerythrinus unitaeniatus
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Name
Scientific name
Hoplerythrinus unitaeniatus
Described by
Not recorded
Family
Erythrinidae
Common names
Gold Wolf Fish
Photograph credits
All 1 credited
Summary
The gold wolf fish, Hoplerythrinus unitaeniatus, is a predatory erythrinid widespread throughout much of South America. Also known as the g…
Size and aquarium
Maximum size
400mm, standard length
Aquarium size
Not recorded
Water
Water conditions
Temperature 23–27°C, pH 5.5–7.5
Hardness
2–25dGH
Conductivity
Not recorded
Behaviour
Temperament
Predatory
Social needs
Not recorded
Community suitability
Not recorded
Where it lives
Countries, regions, rivers and lakes
Argentina, Bolivia, Brazil, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, Uruguay, Venezuela
Writing
Etymology
Not written yet
Distribution
Widespread throughout much of South America, it's found in Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Brazil, Bolivia and Argentina. Population…
Habitat
Small tributaries, swamps, marshes, pools, ditches and the margins of forest lakes. It's often found in very shallow water or lurkng among surface vegetation.
Aquarium size
It's not a particularly active species, so a single fish can be kept in an aquarium measuring 48" x 18" x 18" (120cm x 45cm x 45cm). Juveniles can be grown on …
Maintenance
Ideally, keep it in a heavily planted tank with plenty of floating vegetation, which will allow it to exhibit its natural behaviour. In a brightly lit or spars…
Water conditions
Temperature: 23 – 27 °C pH: 5.5-7.5. Very adaptable and unfussy regarding water chemistry. Hardness: 2-25°H. See above.
Diet
Feeds on both insects and fish in nature. In the aquarium, its diet should consist of meaty fare such as earthworms, prawns, mussels and white fish such as lan…
Behaviour and compatibility
Despite its fearsome appearance, it can be combined with other similarly-sized species in a large tank. In order to see it act naturally, though, it's much bet…
Sexual dimorphism
Unconfirmed. Mature females are likely to be rounder in the belly than males.
Reproduction
It's not been bred in the hobby.
Notes
Also known as the golden trahira, H. unitaeniatus is the only one of the three recognised species currently in the genus to appear in the trade with any regula…
References
References
No references