Freshwater
Twospot astyanax
Astyanax bimaculatus
Acestrorhamphidae, Acestrorhamphinae
Facts
Characteristics
- Length
- Up to 17.5 cm
- Body shape
- Deep-bodied
Care
- Group
- At least 6 together
- Smallest aquarium
- 413 liters
- Diet
- Missing
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Behavior
Water values
Smallest tank
Range
Native
Lives wild in Argentina, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, and 3 more countries.
More about the species
Description
Inhabits large free flowing clear rivers, small streams, drainage ditches and artificial ponds and impoundments. Feeds on zooplankton, detritus, higher plants and sometimes on the scales of fish. Gametogenesis takes place during the dry season in time for reproduction to begin during the rainy season. Reproduction could be carried out in captivity.
Other names
Other scientific names
- Astianax bimaculatus
- Astyanax bimaculatus borealis
- Astyanax bimaculatus incaicus
- Astyanax bimaculatus novae
- Astyanax fasciatus bimaculatus
- Astyanax rupununi
In other languages
- Astyanax asuncionensis
- Täpläkiiltotetra
- Sardine doree, Two spots astyanax, Two spotted sardine
Articles
All articles
How many fish can I keep?4 min read
Why "one cm of fish per liter" falls short, and what adult size, schools, territory and swimming zones mean for how many fish a tank can hold.
How to set up a South American aquarium4 min read
Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.
How to set up a Central American aquarium5 min read
Hard, alkaline water, sand and rock: an aquarium from the rivers and lakes of Mexico and Central America, with cichlids and livebearers.
How to add new fish4 min read
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.