Black Widow Tetra (3-4 CM)
£3.00
Please note, due to variations within species, your item may not look identical to the image provided.
The Black Widow Tetra (Gymnocorymbus ternetzi), also known as the black skirt tetra or petticoat tetra, is a hardy, popular freshwater aquarium fish native to the Paraguay River basin in South America.
100 in stock
Livestock delivery
Under £100£24.99
£100–£199£19.95
£200+FREE
UK mainland only, sent by DX Couriers. Or collect free from our Fenton store.
Description
Overview and Appearance
- Size: Grows up to 5 to 7.5 cm (2 to 3 inches).
- Lifespan: Typically lives 3 to 5+ years in captivity.
- Appearance: Features a tetragonal, greyish body that darkens toward the tail, marked by distinctive vertical black bars behind the gills and an extensive, flowing black anal fin.
Tank Requirements
- Minimum Tank Size: 20 gallons (75 liters) to accommodate a proper group.
- Water Temperature: 68°F to 79°F (20°C to 26°C).
- pH Level: 5.8 to 8.5 (prefers soft to moderately hard, slightly acidic to neutral water).
- Setup: Thrives in well-planted aquariums with subdued lighting and plenty of open swimming space.
Behavior and Diet
- Social Structure: Peaceful schooling fish that should be kept in groups of six or more to reduce nipping.
- Tank Mates: Avoid keeping them with long-finned or slow-moving species like Bettas or Angelfish, as they can be prone to fin-nipping.
- Diet: Omnivorous; they readily accept flakes, pellets, frozen, and live foods like brine shrimp or bloodworms.
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