Description
Black Ghost Knife Fish – Elegant, Nocturnal Oddball with Electric Grace
(Apteronotus albifrons)
The Black Ghost Knife Fish is a fascinating and graceful freshwater species known for its smooth, ribbon-like body and unique swimming style. Entirely black with a bold white stripe along the nose and white markings on the tail, this nocturnal fish glides silently through the water using a continuous undulating motion of its fin. Highly intelligent and capable of weak electrical sensing, it’s a true oddball that thrives in well-kept aquariums with plenty of cover.
Key Features:
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Sleek black body with distinctive white tail and nose markings
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Uses electrical fields to navigate and find food
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Peaceful but territorial—best kept solo or with compatible tank mates
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Nocturnal and shy; appreciates dim lighting and hiding spots
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Adds mysterious, elegant movement to large aquariums
Care Information:
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Scientific Name: Apteronotus albifrons
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Adult Size: Up to 50 cm (20 inches)
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Temperature: 25–28°C
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pH Range: 6.5–7.5
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Tank Size: Minimum 300 litres, with driftwood, caves, and subdued lighting
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Diet: Carnivorous – enjoys frozen or live foods such as bloodworms, shrimp, and earthworms
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Compatibility: Generally peaceful with medium-to-large non-aggressive tank mates; avoid fin-nippers and overly active fish
Why Choose the Black Ghost Knife Fish?
The Black Ghost Knife Fish is a captivating and intelligent oddball species that brings both beauty and intrigue to the aquarium. Its quiet elegance, unique biology, and graceful movement make it a standout addition for aquarists ready to care for something truly special.
Click & Collect
Livestock will only be bagged once you arrive, or if you contact us in advance to request it ready beforehand.
Local Delivery
Order anything from our in-store range and have it delivered right to you.
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Minimum spend: £50
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Delivery up to 10 miles: £10
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Delivery up to 25 miles: £20
Distances are measured “as the crow flies”, not by road.
Once your order is placed, we’ll be in touch to arrange a suitable delivery date and time.
Please note, delivery may take a little longer as we often group orders together to build an efficient delivery run.
Important: If you’re ordering a large aquarium, please ensure someone is available to help unload the van on arrival.
Dry Goods Delivery
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DPD Next Day: 1 working day (order before 12 noon)
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DX Next Day (Heavy Items & Small Aquariums): 1 working day (order before 12 noon)
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Express Pallet: 1–3 working days
If you'd like to add more items to an existing order that hasn't yet been dispatched, please place a Click & Collect order and leave a note asking us to combine the orders.
Please note: We currently only dispatch parcels Wednesday to Friday.
Pre-Order
Want the full details? Check out our Terms & Conditions.
Livestock Delivery
Thursday Delivery – £24
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Dispatched Wednesday afternoon
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Delivered Thursday before 1pm
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Order by Wednesday 12 noon
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Minimum spend: £50
Friday Delivery – £24
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Dispatched Thursday afternoon
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Delivered Friday before 1pm
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Order by Thursday 12 noon
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Minimum spend: £50
Saturday Delivery – £29
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Dispatched Friday afternoon
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Delivered Saturday before 1pm
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Order by Friday 12 noon
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Minimum spend: £50
📦 Want to Add to an Existing Order?
No problem! Just place a Click & Collect order and leave a note asking us to link it with your original one (as long as it hasn’t been dispatched yet).
🛒 Dry Goods Now Included!
You can now include dry goods in your livestock delivery – perfect for topping up supplies in one go.
❄️ Please note: We can’t send frozen food with livestock – please order frozen items separately.
⚠️ Delivery Exclusions
Unfortunately, we’re unable to deliver livestock to the following postcodes:
Scotland & Isles:
AB30–AB56, DD8–DD10, DG3–DG9, DG12–DG14, FK17–FK21, KA18–KA19, KA26–KA30, PA20–PA38, PA80, PH3–PH40
Cornwall Isles: TR21–TR25
All of the following postcodes are excluded:
BT, HS, IM, IV, JE, KW
Plus Channel Islands and Shetland Islands
Payment & Security
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