Description
Black Widow Tetra
The black tetra (Gymnocorymbus ternetzi), also known as the black skirt tetra, petticoat tetra, high-fin black skirt tetra, black widow tetra and blackamoor, is a freshwater fish of the characin family.
Black Widow Tetras are something a little different to other Tetras because of the way their fins are shaped. This is an eye-catching species that will do well in a planted freshwater aquarium.
Features
Approx. size: 1-2cm
Maximum size: 6cm
Origin: South America
Ideal number kept together: 6+
Water conditions
pH: 6.0–7.0
Hardness: 5-20°H
Temperature: 20–26 °C
Ease of care
Easy. This tropical fish is great for hobbyist at all levels however they do need good water conditions.
Diet
The main food we recommend would be tropical fish flake. Occasional live or frozen food can be given as a treat.
Compatibility
Community aquarium. They are a peaceful yet lively species good for beginners.
Breeding
Moderate. Egg layers. Frequently eats its own eggs, so separate from fish after spawning. They will need their own tank with dim lighting to breed easily.
Life Span
They can live to anything from 3-5 years in perfect conditions.
Shipping Cut Off Times
- In stock orders placed before on working weekdays before 2pm will be despatched on the same working weekday.
- In stock orders placed on a Saturday before 10am will be despatched on that Saturday.
- Orders that include pre-order items will be shipped together in total once the pre-order items arrive back in stock using the delivery service chosen at checkout.
None of these cut-offs apply to palletised items, pond plants or fibreglass ponds.
| SERVICE | SPEND | COST |
| Packet/Courier items | ||
| Royal Mail (2-3 days) | £0.00-£49.99 | £2.99 |
| Royal Mail Next Day (1-2 days) | £0.00-£49.99 | £4.99 |
| DPD Local Next Day (1 day) | £0.00-£49.99 | £7.99 |
| DPD Local Next Day (1 day) | £50 and up | FREE |
| Pallets (booked in) | aquariums / bulky items | |
|
Pallets Standard (3-5 days) |
- | FREE |
|
Pallets Express (1-2 days) |
- | £39.99 |
| *EXCLUDED ITEMS | extra delivery fees apply | |
| Fibreglass Ponds (booked in) | ||
|
Zone 1 (7-10 days) |
- | £79.99 |
| Zone 2 (7-14 days) | - | £149.99 |
| Zone 3 (7-21 days) | - | £249.99 |
| Pond Plants (direct from grower) |
||
| All pond plants (3-10 days) | one-off fee regardless of order size/value | £5.99 |
Further delivery information
All delivery services are working day services and do not include delivery on Saturdays and Sundays or public holidays as standard.
Deliveries are usually Monday to Friday only, although some Royal Mail items may be delivered on weekends as standard if the service is available in your area.
Orders over £50 that are under 2kg may be sent by a Royal Mail Tracked 24 service rather than via DPD Local (depending on parcel size).
Orders over £50 delivering to non UK mainland locations may be despatched via a Royal Mail (2-3 days) service rather than an express shipping option.
Please see our full delivery information page and terms and conditions for detailed information on shipping policies and zones
