Black tetra
Gymnocorymbus ternetzi
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The black tetra is native to the Paraguay River basin (Brazil, Paraguay and Argentina). It lives in schools and eats small crustaceans, insects and worms. It scatters its eggs among plants and often eats them afterwards.
- Scientific name
- Gymnocorymbus ternetzi
- Family
- Acestrorhamphidae
Fact sheet
General
- Water
- Freshwater
- Group
- Fish
Taxonomy
- Family
- Acestrorhamphidae
- Order
- Characiformes
- Synonyms
- Gymnocothymbus ternetzii, Tetragonopterus ternetzi
Origin
- Native region
- América do Sul
Water
- Temperature
- 20–26 °C
- pH
- 6–7
- General hardness (GH)
- 5–20 °dGH
Size and lifespan
- Adult size
- 6 cm
- Minimum tank (volume)
- 68 L
- Minimum tank (length)
- 75 cm
Behavior
- Social life
- School
- Minimum group
- 12
- Swimming level
- Middle
- Diet
- Carnivore
Care
- Care difficulty
- Moderate
Reproduction
- Breeding strategy
- Egg scatterer
Conservation and trade
- IUCN status
- Least concern (LC)
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