Fish rocks
Fish rocks for sale on Ireland's largest auction and classifieds sites
Zebra mountain rocks decor - mountain, - £69.95
Zebra mountain rock • Striking versatile material • Popular among aquascaping - Free postage - New and Used
Zebra mountain rock • Striking versatile material • Popular among aquascaping - Free postage - New and Used
Fish tank aquairum rocks real - fish, - £258.59
This product beautiful • Ornament use fish • Tanks aquariums features - Free postage - New and Used
This product beautiful • Ornament use fish • Tanks aquariums features - Free postage - New and Used
Dragon rock aquarium fish - rock, tank - £5.99
Item decorative rock • Aquarium vivarium application • Marine tropical fish - Free postage - New and Used
Item decorative rock • Aquarium vivarium application • Marine tropical fish - Free postage - New and Used
Aquarium rock fish tank stone - fish, - £75.59
25kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
25kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
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Aqarium rock fish tank stones - fish, - £95.03
Majority stones this • Type are very • Hollow have nice - Free postage - New and Used
Majority stones this • Type are very • Hollow have nice - Free postage - New and Used
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48 listings · from £3.49 · avg £48.88
⚠️ These listings were last updated more than 26 days ago.
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Browse 48 fish rocks listings currently in our index. Prices range from £3.49 to £258.59, with an average of £48.88. 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 fish rocks →
Gray seiryu scenery stone - scenery, - £4.49
Seiryu stone features • Unique textures shapes • That bring realistic - Free postage - New and Used
Seiryu stone features • Unique textures shapes • That bring realistic - Free postage - New and Used
Aquarium rock fish - aquarium, tank - £79.99
Not affect water • Nor its cloudiness • Suitable all types - Free postage - New and Used
Not affect water • Nor its cloudiness • Suitable all types - Free postage - New and Used
Dragon rock aquarium - aquarium, stone - £78.83
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Large tall rock mountain fish - large, - £29.95
Made from poly • Resin safe use • Fish plants - Free postage - New and Used
Made from poly • Resin safe use • Fish plants - Free postage - New and Used
Natural ocean rock 20kg large - rock, - £59.95
Ocean rock • More suitable marine • Hardwater cichlids brackish - Free postage - New and Used
Ocean rock • More suitable marine • Hardwater cichlids brackish - Free postage - New and Used
Aquarium stone rock - stone, natural - £29.15
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Fish tank rock natural - fish, - £59.99
Suitable all types • Aquariums dark colour • Combined irregular shape - Free postage - New and Used
Suitable all types • Aquariums dark colour • Combined irregular shape - Free postage - New and Used
20kg ocean rock marine - ocean, - £59.95
20kg box ocean • Rock such have • Huge wealth experience - Free postage - New and Used
20kg box ocean • Rock such have • Huge wealth experience - Free postage - New and Used
Black lava rock - lava, - £25.00
This premium black • Lava rock weighing • 9kg decorative stone - Free postage - New and Used
This premium black • Lava rock weighing • 9kg decorative stone - Free postage - New and Used
Aquarium seiryu rock fish - rock, - £35.63
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium rock fish tank - rock, - £86.39
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
Natural ocean rock small - rock, / - £59.95
Due item being • Natural based weight • You may get - Free postage - New and Used
Due item being • Natural based weight • You may get - Free postage - New and Used
Aquarium stone rock natural - aquarium, - £62.63
Dark grey rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Dark grey rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Aquarium rock fish tank - aquarium, - £16.19
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
They also look • Good light ground • Tank tanganyika malawi - Free postage - New and Used
Aquarium stone seiryu rock - aquarium, - £97.19
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Dragon stone rock natural - dragon, - £4.89
Dragon stone ohko • Rock natural fish • Tank decoration aquascaping - Free postage - New and Used
Dragon stone ohko • Rock natural fish • Tank decoration aquascaping - Free postage - New and Used
Fish tank stone - tank, rock - £42.99
Stones will require • Rinsing before they • Can placed aquarium - Free postage - New and Used
Stones will require • Rinsing before they • Can placed aquarium - Free postage - New and Used
Aquarium stone slate - stone, fish - £3.49
Shelter caves great • Hiding places that • Fish they are - Free postage - New and Used
Shelter caves great • Hiding places that • Fish they are - Free postage - New and Used
Aquarium rock stone - aquarium, - £75.59
Lava rocks 100 • Natural they also • Look good light - Free postage - New and Used
Lava rocks 100 • Natural they also • Look good light - Free postage - New and Used
Lava cobble rock ohko scaping - cobble, - £14.99
Lava cobble boulder • Rock ohko scaping • Pebble aquarium tropical - Free postage - New and Used
Lava cobble boulder • Rock ohko scaping • Pebble aquarium tropical - Free postage - New and Used
5kg 20kg aquarium - 🔥5kg, - £49.95
Dragon stone aquarium • Rock favourite among • Aquascapers hobbyists its - Free postage - New and Used
Dragon stone aquarium • Rock favourite among • Aquascapers hobbyists its - Free postage - New and Used
Aquarium slate fish tank - aquarium, rock - £17.99
Black slate 3kg • Perfect creating caves • Lining back wall - Free postage - New and Used
Black slate 3kg • Perfect creating caves • Lining back wall - Free postage - New and Used
Dragon rock stone - dragon, ohko - £35.98
Popular rock aquascaping • Planted aquariums holes • Crevices that cover - Free postage - New and Used
Popular rock aquascaping • Planted aquariums holes • Crevices that cover - Free postage - New and Used
Aquarium stone ocean rock fish - aquarium, - £21.59
Great natural base • Building block aquariums • Stone rocky decor - Free postage - New and Used
Great natural base • Building block aquariums • Stone rocky decor - Free postage - New and Used
Aquarium rock fish tank stone - fish, - £64.79
20kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
20kg lava rock • Rocks 100 natural • They also look - Free postage - New and Used
Aquarium rock seiryu - seiryu, stone - £46.43
Grey mountian rock • 10kg set select • Carefully selected pieces - Free postage - New and Used
Grey mountian rock • 10kg set select • Carefully selected pieces - Free postage - New and Used
Rainbow slate 5kg aquarium - rainbow, - £29.15
Rainbow slate 5kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 5kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Stone rock cave - rock, aquarium - £6.91
Aquarium decorative rocks • This hidden cave • Creates visual feast - Free postage - New and Used
Aquarium decorative rocks • This hidden cave • Creates visual feast - Free postage - New and Used
Dry ocean reef rock - reef, 20kg - £62.99
Suitable cichlid hard • Water aquariums clean • Safe marine reef - Free postage - New and Used
Suitable cichlid hard • Water aquariums clean • Safe marine reef - Free postage - New and Used
Large new natural - natural, flat - £13.95
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
They can used • Other rocks slate • Make ledges crevices - Free postage - New and Used
Rainbow slate aquarium stone - slate, - £14.03
Rainbow slate 1kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 1kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Aquarium lava rock black - aquarium, - £24.99
Highly detailed comparitively • Light won displace • Huge amounts water - Free postage - New and Used
Highly detailed comparitively • Light won displace • Huge amounts water - Free postage - New and Used
Large new natural rock stone - new, - £4.31
Adds fantastic natural • Look aquariums pond • Aquarium stone rocks - Free postage - New and Used
Adds fantastic natural • Look aquariums pond • Aquarium stone rocks - Free postage - New and Used
Aquarium rock natural - natural, fish - £57.23
25kg 120cm 4ft • Length wood stone • Set geat natural - Free postage - New and Used
25kg 120cm 4ft • Length wood stone • Set geat natural - Free postage - New and Used
Aquarium rock seiryu - seiryu, fish - £97.19
Grey mountian rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Grey mountian rock • 20kg set select • Carefully selected pieces - Free postage - New and Used
Grey natural stone - stone, effect - £25.79
Provides ideal hideaway • Cave swim through • Grey natural stone - Free postage - New and Used
Provides ideal hideaway • Cave swim through • Grey natural stone - Free postage - New and Used
Fish tank rock - tank, natural - £97.19
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
May constitute basic • Building block aquariums • Stone rocky decor - Free postage - New and Used
Aquarium ornament rock - aquarium, - £15.98
- Free postage - New and Used
- Free postage - New and Used
Aquarium decoration shell - aquarium, - £107.99
Malawi sets perfect • Natural decoration your • Aquarium shell remain - Free postage - New and Used
Malawi sets perfect • Natural decoration your • Aquarium shell remain - Free postage - New and Used
Aquarium rock seiryu - rock, stone - £53.99
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Selected aquarium rock • High repeatable quality • Shades grey few - Free postage - New and Used
Petrified rock aquarium - -, - £9.22
Style petrified vivarium • Type aquarium advice • Use before placing - Free postage - New and Used
Style petrified vivarium • Type aquarium advice • Use before placing - Free postage - New and Used
Aquarium rock natural fish - natural, - £39.95
10kg 60cm 2ft • Length wood stone • Set geat natural - Free postage - New and Used
10kg 60cm 2ft • Length wood stone • Set geat natural - Free postage - New and Used
Rainbow slate aquarium stone - aquarium, - £16.19
Rainbow slate 2kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Rainbow slate 2kg • Set thin tiles • Ready layed aquarium - Free postage - New and Used
Try this: fluval 205 | fluval 206 | fluval 403 | fully automatic incubator | hatching chicken eggs | hatching goose eggs | hen houses chicken coops | hens | ifetch ball launcher | incubator chicken eggs
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Everything you need to know about fish rocks
Whether you are looking for a brand-new or second-hand fish rocks, 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 £3.49, while premium listings can reach £258.59 — giving you a wide budget spread to work with. The average price of £48.88 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.