Black Widow Tetra — representative photograph

Black Widow Tetra

Gymnocorymbus ternetzi

In Stock Tank Bred

SKU: MBI-TET-015

A tank-bred Black Widow Tetra offer at 3 cm, sold per fish under MBI-TET-015. This is the standard dark-form listing for Gymnocorymbus ternetzi.

Pricing for Verified Importers

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Export Size
3.00 – 3.00 cm
Origin
Native range: Paraguay and Guapore river basins, South America; offer: tank bred
Temperature
20.0–26.0°C
Diet
omnivore
Black Widow Tetra, also called Black Skirt Tetra, is a South American characin from the Paraguay and Guapore river systems. Young fish are more strongly darkened than mature individuals, so normal colour changes should not be mistaken for a different species. Published records reach 7.5 cm standard length; the available 3 cm grade is the export size.

Catalogue sizes: 3 cm. Use each offer code to identify the requested size; supplier prices and packing remain specific to that offer.
Provide open swimming space with sheltered planted areas and keep a group. Aquarium guidance supports 20-26 C, varied flakes or granules, and small live or frozen foods. Fin nipping can occur, especially in small groups; choose companions accordingly and monitor long-finned fish. Match receiving water to the batch rather than making abrupt chemistry changes.
MBI-TET-015 (3 cm): 60 fish per bag, maximum 8 bags per box. These are the catalogue packing figures for the selected offers.
Order minimums by offer: MBI-TET-015: 60 individual fish. Pricing is per individual fish. Existing quotation and business terms govern shipment arrangements.

Species Parameters

Export Size Min 3.00 cm
Export Size Max 3.00 cm
Max Adult Size 7.5 cm
Origin Native range: Paraguay and Guapore river basins, South America; offer: tank bred
Habitat Slow-moving freshwater creeks and tributaries
Diet omnivore
Temp Min 20.0 °C
Temp Max 26.0 °C

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Photo credits

Photo 1

Reference species/form photograph; not actual offered stock or a sale-size/sex guarantee. Wikimedia resized version; no local edits.

Photo: Sven Kullander · Gymnocorymbus ternetzi in aquarium.jpg · CC BY-SA 4.0