Small fish tank
Small fish tank for sale on Ireland's largest auction and classifieds sites
Small aquarium fish - aquarium, - £29.95
Litre version our • Nano aquariums are • Ery simple practical - Free postage - New and Used
Litre version our • Nano aquariums are • Ery simple practical - Free postage - New and Used
Swell small aquarium 25cm - small, - £52.99
Swell aquaventure plus • Aquarium premium 25cm • Black glass cube - Free postage - New and Used
Swell aquaventure plus • Aquarium premium 25cm • Black glass cube - Free postage - New and Used
Small nano aquarium - small, - £54.99
These aquariums are • Very simple practical • Nano tanks shrimp - Free postage - New and Used
These aquariums are • Very simple practical • Nano tanks shrimp - Free postage - New and Used
Small fish tank plastic clear - tank, - £22.99
Fish tank • Back filter led • Aquarium usb powered - Free postage - New and Used
Fish tank • Back filter led • Aquarium usb powered - Free postage - New and Used
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Small fish tank plastic clear - small, - £22.99
Fish tank • Back filter led • Aquarium usb powered - Free postage - New and Used
Fish tank • Back filter led • Aquarium usb powered - Free postage - New and Used
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48 listings · from £4.29 · avg £21.49
Browse 48 small fish tank listings currently in our index. Prices range from £4.29 to £79.95, with an average of £21.49. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about small fish tank →
Small fish tank aquarium - aquarium, - £26.99
Water clarifier fish • Tank pond 18w • 36w uvc steriliser - Free postage - New and Used
Water clarifier fish • Tank pond 18w • 36w uvc steriliser - Free postage - New and Used
Small starter aquarium fish - small, - £54.99
These aquariums are • Ery simple practical • Nano tanks shrimp - Free postage - New and Used
These aquariums are • Ery simple practical • Nano tanks shrimp - Free postage - New and Used
Small fish tank 27cm bright - small, - £8.99
Can also used • Keeping frogs locusts • Lizards any other - Free postage - New and Used
Can also used • Keeping frogs locusts • Lizards any other - Free postage - New and Used
Small fish tank plastic - small, - £28.27
Fish tank • Back filter led • Aquarium usb powered - Free postage - New and Used
Fish tank • Back filter led • Aquarium usb powered - Free postage - New and Used
Interpet aqua cube 28l - aqua, - £69.99
Perfect choice fishkeepers • Who are limited • Space want second - Free postage - New and Used
Perfect choice fishkeepers • Who are limited • Space want second - Free postage - New and Used
Transparent round fish bowl - transparent, - £9.75
Multi purpose use • Suitable goldfish aquatic • Plants succulents air - Free postage - New and Used
Multi purpose use • Suitable goldfish aquatic • Plants succulents air - Free postage - New and Used
Fish tank set small - set, household - £26.10
Illumination built led • Lighting system enhances • Viewing experience supports - Free postage - New and Used
Illumination built led • Lighting system enhances • Viewing experience supports - Free postage - New and Used
Mini fish tank small - fish, - £11.69
50x curtains hooks • Man iveco rear • Rail truck daf106 - Free postage - New and Used
50x curtains hooks • Man iveco rear • Rail truck daf106 - Free postage - New and Used
Floating magnetic algae - floating, - £7.99
Our high quality • Floating magnetic algae • Glass cleaners are - Free postage - New and Used
Our high quality • Floating magnetic algae • Glass cleaners are - Free postage - New and Used
Fish tank water changer siphon - fish, - £5.75
Gravel vacuum aquarium • Ideal large aquariums • Suction power fish - Free postage - New and Used
Gravel vacuum aquarium • Ideal large aquariums • Suction power fish - Free postage - New and Used
Fish tank set small - fish, household - £21.99
Back filter • Led fish tank • Aquarium usb powered - Free postage - New and Used
Back filter • Led fish tank • Aquarium usb powered - Free postage - New and Used
Small fish tank aquarium - small, - £26.79
Greenery oxygen oasis • Self sustaining ecosystem • This aquarium promotes - Free postage - New and Used
Greenery oxygen oasis • Self sustaining ecosystem • This aquarium promotes - Free postage - New and Used
Usb mini aquarium - aquarium, | - £4.46
Product power 10w • Will work red • Indicator light when - Free postage - New and Used
Product power 10w • Will work red • Indicator light when - Free postage - New and Used
Small tank lid insects - &, - £7.99
Functional terrarium aquarium • Pet carrier animal • Nursery reptile lighting - Free postage - New and Used
Functional terrarium aquarium • Pet carrier animal • Nursery reptile lighting - Free postage - New and Used
Small fish tank aquarium - fish, - £26.99
Vacuum thermos flask • Stainless steel thermo • Bottle hot cold - Free postage - New and Used
Vacuum thermos flask • Stainless steel thermo • Bottle hot cold - Free postage - New and Used
Small nano tropical - nano, water - £11.99
Due its low • Power consumption nature • Led lighting this - Free postage - New and Used
Due its low • Power consumption nature • Led lighting this - Free postage - New and Used
Mini fish tank stackable - mini, sea - £5.99
These have been • Selected due their • 500ml tank provides - Free postage - New and Used
These have been • Selected due their • 500ml tank provides - Free postage - New and Used
Small fish tank light - small, - £6.69
Mini clip aquarium • Light dimmable fish • Usb moving lamp - Free postage - New and Used
Mini clip aquarium • Light dimmable fish • Usb moving lamp - Free postage - New and Used
Small medium mopani wood - mopani, - £7.99
Perfect aquarium use • Due weight density • Will not usually - Free postage - New and Used
Perfect aquarium use • Due weight density • Will not usually - Free postage - New and Used
Allpondsolutions small - allpondsolutions, - £54.99
Allpondsolutions range tropical • Coldwater fish tanks • These aquariums are - Free postage - New and Used
Allpondsolutions range tropical • Coldwater fish tanks • These aquariums are - Free postage - New and Used
Small aquarium water plant - small, - £4.29
Led usb aquarium • Lighting aquatic plant • Underwater light waterproof - Free postage - New and Used
Led usb aquarium • Lighting aquatic plant • Underwater light waterproof - Free postage - New and Used
Small fish tank - fish, aquarium - £6.19
Simple beautiful design • From structure appearance • Suitable various styles - Free postage - New and Used
Simple beautiful design • From structure appearance • Suitable various styles - Free postage - New and Used
Hidom aquarium air pump - pump, fish - £14.99
Aquarium air pump • Hidom ultra quiet • Tropical marine fish - Free postage - New and Used
Aquarium air pump • Hidom ultra quiet • Tropical marine fish - Free postage - New and Used
Small medium lotus pods - small/, - £19.36
These medium lotus • Pods are perfect • Decorating terrariums fish - Free postage - New and Used
These medium lotus • Pods are perfect • Decorating terrariums fish - Free postage - New and Used
Swell aquarium external filter - aquarium, - £45.99
Swell mini titan • External filter high • Performance filtration system - Free postage - New and Used
Swell mini titan • External filter high • Performance filtration system - Free postage - New and Used
Aquarium fish breeding box - aquarium, - £5.50
1pc aquarium fish • Breeder box durable • Shrimp ideal breeding - Free postage - New and Used
1pc aquarium fish • Breeder box durable • Shrimp ideal breeding - Free postage - New and Used
Activated carbon small stone - carbon, - £6.79
Granulated carbon filter • Media use aquariums • Fish tanks ponds - Free postage - New and Used
Granulated carbon filter • Media use aquariums • Fish tanks ponds - Free postage - New and Used
Round fish bowl - bowl, aquarium - £12.99
Clear design its • Our fish bowl • Ensures high clarity - Free postage - New and Used
Clear design its • Our fish bowl • Ensures high clarity - Free postage - New and Used
Usb mini aquarium heating - mini, - £4.55
Two heating rods • Product power 10w • Can used one - Free postage - New and Used
Two heating rods • Product power 10w • Can used one - Free postage - New and Used
Ciano shrimp small fish - ciano, - £79.95
Easy maintenance nexus • Equipped cf40 ciano • Internal filtration system - Free postage - New and Used
Easy maintenance nexus • Equipped cf40 ciano • Internal filtration system - Free postage - New and Used
Small aquarium filter - small, on - £10.95
Filter includes inlet • Protection foam prevent • Shrimp fry from - Free postage - New and Used
Filter includes inlet • Protection foam prevent • Shrimp fry from - Free postage - New and Used
Small fish tank plastic clear - tank, - £18.89
Type acrylic fish • Tank batteries i3.2b25dd89dd89s9 • Style box sizing - Free postage - New and Used
Type acrylic fish • Tank batteries i3.2b25dd89dd89s9 • Style box sizing - Free postage - New and Used
Small fish tank pump - tank, - £4.38
Air tech aquarium • Pump working condition - Free postage - New and Used
Air tech aquarium • Pump working condition - Free postage - New and Used
Fish tank set small - set, household - £34.99
Gear another short • Press light changed • Fish tank when - Free postage - New and Used
Gear another short • Press light changed • Fish tank when - Free postage - New and Used
Glass fish tank easy - tank, to - £42.29
These aquariums are • This product set • Rectangular glass fish - Free postage - New and Used
These aquariums are • This product set • Rectangular glass fish - Free postage - New and Used
Glorlliant aquarium starter - glorlliant, - £22.56
Fish tank • Tankcolor transparentmaterial pssize • 7.5x10.5x12.5cm 13x13x15cmapplicable office - Free postage - New and Used
Fish tank • Tankcolor transparentmaterial pssize • 7.5x10.5x12.5cm 13x13x15cmapplicable office - Free postage - New and Used
Round fish bowl clear - fish, - £8.97
Clear design its • Our fish bowl • Ensures high clarity - Free postage - New and Used
Clear design its • Our fish bowl • Ensures high clarity - Free postage - New and Used
Small fish tank - fish, - £8.71
Excellent decoration fish • Can used beautiful • Your office living - Free postage - New and Used
Excellent decoration fish • Can used beautiful • Your office living - Free postage - New and Used
Mini small aquarium fish tank - small, - £7.29
Transform your mini • Aquarium into tropical • Heater maintaining constant - Free postage - New and Used
Transform your mini • Aquarium into tropical • Heater maintaining constant - Free postage - New and Used
Plastic fish tank transparent - plastic, - £19.22
Fish tank can • Made plastic material • Not easy break - Free postage - New and Used
Fish tank can • Made plastic material • Not easy break - Free postage - New and Used
Juwel aquarium double - aquarium, - £10.40
Simply apply back • Glass your tank • Instant transformation simple - Free postage - New and Used
Simply apply back • Glass your tank • Instant transformation simple - Free postage - New and Used
Desktop aquarium for goldfish - desktop, - £20.39
New fish tank • Plastic clear micro • Landscape desktop aquarium - Free postage - New and Used
New fish tank • Plastic clear micro • Landscape desktop aquarium - Free postage - New and Used
Acrylic fish tank detachable - tank, - £11.77
This makes convenient • Addition your interior • Decor its clear - Free postage - New and Used
This makes convenient • Addition your interior • Decor its clear - Free postage - New and Used
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Everything you need to know about small fish tank
Whether you are looking for a brand-new or second-hand small fish tank, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.29, while premium listings can reach £79.95 — giving you a wide budget spread to work with. The average price of £21.49 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.