Black Widow Tetra (Gymnocorymbus ternetzi)
The Black Widow Tetra, also known as the Black Skirt Tetra, features a unique high-bodied shape with flowing fins and a striking contrast of silvery-grey and black coloration. This popular species is active and social, best kept in groups where it can school naturally. Its peaceful temperament makes it an excellent fit for community tanks, although it may occasionally nip at long fins if not kept in a proper group. These tetras are adaptable, easy to care for, and add subtle elegance to any freshwater aquarium.
Need to Know:
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Recommended For: Community tanks and beginner aquarists
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Minimum Tank Size: 60 litres
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Temperature Range: 22–28°C
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pH Range: 6.0–7.5
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Recommended School Size: 6 or more
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Compatibility: Peaceful; avoid pairing with slow long-finned species unless kept in larger schools
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Max Size: 5–6 cm
Shipping Disclaimer:
All fish are shipped on Monday or Tuesday mornings via an overnight courier (Sometimes same day, location dependant). We use NZ Couriers for all livestock shipping, we find they handle your fish with the best possible care.
Special Requests:
If you have any requests for gender/colour etc we will do our best to accomodate them. Please note we can not always accomodate every request due to high stock turnover and what is available at the time. We move all fish sold online into seperate holding tanks while they wait to be shipped.
Rural Shipping:
Good news! If you are a rural customer, we can still ship fish to you. Fish will be shipped to your nearest agent and they will call you when they arrive. Please ensure you provide your mobile number when ordering.