Saltwater marine fish
Saltwater marine fish for sale on Ireland's largest auction and classifieds sites
Salifert test kit marine - salifert, - £12.89
Salifert profi test • Kits 100 200 • Tests - Free postage - New and Used
Salifert profi test • Kits 100 200 • Tests - Free postage - New and Used
Fritz zyme saltwater - zyme, 9 - £28.99
Eliminates ammonia nitrite • Rapidly removes toxic • Preventing fish loss - Free postage - New and Used
Eliminates ammonia nitrite • Rapidly removes toxic • Preventing fish loss - Free postage - New and Used
Hikari marine fish food - fish, - £7.39
Hikari marine 50g • Specially developed daily • Fish rich essentials - Free postage - New and Used
Hikari marine 50g • Specially developed daily • Fish rich essentials - Free postage - New and Used
Tmc salifert profi test kit - tmc, - £11.75
Profitest kit tests • Tmc salifert • Test kits provide - Free postage - New and Used
Profitest kit tests • Tmc salifert • Test kits provide - Free postage - New and Used
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Salifert profi test kit range - salifert, - £10.50
Test kit salifert • Ammonia nh3 nh4 • Profi - Free postage - New and Used
Test kit salifert • Ammonia nh3 nh4 • Profi - Free postage - New and Used
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48 listings · from £3.74 · avg £30.12
Browse 48 saltwater marine fish listings currently in our index. Prices range from £3.74 to £149.99, with an average of £30.12. 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 saltwater marine fish →
Nutri sea water - nutri-sea, - £36.95
Natural live • Waiting just add • Fish nutri seawater - Free postage - New and Used
Natural live • Waiting just add • Fish nutri seawater - Free postage - New and Used
Aquarium samoa coral sand - coral, 5kg - £38.95
- Free postage - New and Used
- Free postage - New and Used
Reeflowers caledonia sea water - reeflowers, - £32.99
Caledonia sea water • Free organisms that • Could cause problems - Free postage - New and Used
Caledonia sea water • Free organisms that • Could cause problems - Free postage - New and Used
Hikari marine 50g sinking - hikari, - £7.70
Hikari marine daily • Pellet diet smaller • Fish formulated high - Free postage - New and Used
Hikari marine daily • Pellet diet smaller • Fish formulated high - Free postage - New and Used
Fluval sea salt - sea, - £9.45
Its compact design • Allows easily installed • Inside tank continuous - Free postage - New and Used
Its compact design • Allows easily installed • Inside tank continuous - Free postage - New and Used
Iquatics ocean reef pro marine - reef, - £49.99
Why does ocean • Reef pro coral • Salt work because - Free postage - New and Used
Why does ocean • Reef pro coral • Salt work because - Free postage - New and Used
Iquatics ocean reef - iquatics, marine - £54.99
Why does ocean • Reef pro coral • Work because been - Free postage - New and Used
Why does ocean • Reef pro coral • Work because been - Free postage - New and Used
Salifert test kit - test, marine - £74.90
Test kit salifert • Carbonate hardness alk • Set including - Free postage - New and Used
Test kit salifert • Carbonate hardness alk • Set including - Free postage - New and Used
Salifert test kit set - salifert, - £28.99
Profi test kit • Set including nitrate • Concentration proper functioning - Free postage - New and Used
Profi test kit • Set including nitrate • Concentration proper functioning - Free postage - New and Used
Ha6 sealant silicone rtv - sealant, - £59.99
High quality non • Automotive silicone sealant • Apply using standard - Free postage - New and Used
High quality non • Automotive silicone sealant • Apply using standard - Free postage - New and Used
Salifert test set po4 no3 - salifert, - £23.99
Profi test kit • Set including salifert • Already detects within - Free postage - New and Used
Profi test kit • Set including salifert • Already detects within - Free postage - New and Used
Aquaforest carbon marine - 1l, - £15.99
Carbon aquaforest reef • Mineral salt maintain • Constant level coral - Free postage - New and Used
Carbon aquaforest reef • Mineral salt maintain • Constant level coral - Free postage - New and Used
Api master saltwater test kit - api, - £29.99
Four essential tests • High range ammonia • Nitrite nitrate providing - Free postage - New and Used
Four essential tests • High range ammonia • Nitrite nitrate providing - Free postage - New and Used
Iquatics ocean reef pro - ocean, - £31.99
Why does ocean • Reef pro coral • Salt work because - Free postage - New and Used
Why does ocean • Reef pro coral • Salt work because - Free postage - New and Used
2kg biohome marine - 2kg, ultimate - £36.99
You amazed how • Fast water drawn • Entire length allows - Free postage - New and Used
You amazed how • Fast water drawn • Entire length allows - Free postage - New and Used
Seachem metroplex 0 - /, 0.2 - £12.89
Seachem metroplex gentle • Effective treatment several • Diseases fish does - Free postage - New and Used
Seachem metroplex gentle • Effective treatment several • Diseases fish does - Free postage - New and Used
Api saltwater master test kit - test, - £24.49
Api aquarium products • Easy keep beautiful • Saltwater freshwater reef - Free postage - New and Used
Api aquarium products • Easy keep beautiful • Saltwater freshwater reef - Free postage - New and Used
Marine aquarium glass - marine, - £6.99
Salt water marine • Aquariums green indicators • Temperature specific most - Free postage - New and Used
Salt water marine • Aquariums green indicators • Temperature specific most - Free postage - New and Used
Tunze comline doc - tunze, - £149.99
Sensitive reef biotopes • Stone corals 150 • Litres gal compact - Free postage - New and Used
Sensitive reef biotopes • Stone corals 150 • Litres gal compact - Free postage - New and Used
Waterlife buffer 2 8 3 - 6.5,, 8.3 - £9.99
Waterlife buffer • 8.3 230g ideal • Seawater brackish tropical - Free postage - New and Used
Waterlife buffer • 8.3 230g ideal • Seawater brackish tropical - Free postage - New and Used
Salifert liquid test kit - ph, - £9.99
Salifert test kit • Sufficiently accurate monitor • Fluctuations 0.2 units - Free postage - New and Used
Salifert test kit • Sufficiently accurate monitor • Fluctuations 0.2 units - Free postage - New and Used
Api master test - master, - £34.95
High range 7.4 • 8.8 ammonia nh3 • Instructions glass test - Free postage - New and Used
High range 7.4 • 8.8 ammonia nh3 • Instructions glass test - Free postage - New and Used
Salifert test kh kit - ph, - £39.99
Test kit salifert • Very straightforward does • Not suffer from - Free postage - New and Used
Test kit salifert • Very straightforward does • Not suffer from - Free postage - New and Used
Salifert test kit set marine - set, - £34.99
Test kit salifert • Very straightforward does • Not suffer from - Free postage - New and Used
Test kit salifert • Very straightforward does • Not suffer from - Free postage - New and Used
Hikari seaweed extreme medium - hikari, - £19.39
Their technological expertise • Helped hikari develop • World 1st pellet - Free postage - New and Used
Their technological expertise • Helped hikari develop • World 1st pellet - Free postage - New and Used
Pack ha6 marine safe - of, - £12.20
High quality non • Automotive silicone sealant • Apply using standard - Free postage - New and Used
High quality non • Automotive silicone sealant • Apply using standard - Free postage - New and Used
Ha6 silicone sealant rtv - ha6, - £9.39
Ha6 silicone premium • Non shrinking marine • Sealant approved conforms - Free postage - New and Used
Ha6 silicone premium • Non shrinking marine • Sealant approved conforms - Free postage - New and Used
Iquatics ocean reef pro - pro, marine - £34.99
Why does ocean • Reef pro coral • Work because been - Free postage - New and Used
Why does ocean • Reef pro coral • Work because been - Free postage - New and Used
Reef zlements advanced - reef, - £39.99
- Free postage - New and Used
- Free postage - New and Used
Reef zlements icp saltwater - icp, - £31.99
Supports reef health • Ideal monitoring fine • Tuning dosing such - Free postage - New and Used
Supports reef health • Ideal monitoring fine • Tuning dosing such - Free postage - New and Used
Salinity refractometer salt - refractometer, - £13.99
Water 0.5 ppt • Usual salinity selected • Aqueous solutions division - Free postage - New and Used
Water 0.5 ppt • Usual salinity selected • Aqueous solutions division - Free postage - New and Used
Salinity refractometer salt - salinity, - £14.99
Salinity proportion 1.000 • 1.070sg pipette widely • Used mariculture aquarium - Free postage - New and Used
Salinity proportion 1.000 • 1.070sg pipette widely • Used mariculture aquarium - Free postage - New and Used
Resin products marine - rp, - £25.94
- Free postage - New and Used
- Free postage - New and Used
Copper power acp0124b - copper, (endich) - £127.49
Copper power will • Not precipitate out • Water remains active - Free postage - New and Used
Copper power will • Not precipitate out • Water remains active - Free postage - New and Used
Aqua one stripglo marine - one, led - £53.99
Aqua one stripglo • Marine led lighting • Range features aesthetic - Free postage - New and Used
Aqua one stripglo • Marine led lighting • Range features aesthetic - Free postage - New and Used
Tuvalu 2017 marine life - tuvalu, - £3.74
- Free postage - New and Used
- Free postage - New and Used
Api test kits - api, aquarium - £30.00
Api test kit • Monitors maintain healthy • Freshwater conditions your - Free postage - New and Used
Api test kit • Monitors maintain healthy • Freshwater conditions your - Free postage - New and Used
Ha6 silicone sealant rtv - silicone, - £28.80
Bondit ha6 rtv • Marine silicone available • Black brown grey - Free postage - New and Used
Bondit ha6 rtv • Marine silicone available • Black brown grey - Free postage - New and Used
Salinity refractometer - 0-28%, - £12.99
Automatic temperature compensation • Minimum division salinity • Range you can - Free postage - New and Used
Automatic temperature compensation • Minimum division salinity • Range you can - Free postage - New and Used
Tuvalu 2017 marine life - 2017, - £4.59
- Free postage - New and Used
- Free postage - New and Used
Reef zlements icp saltwater - reef, - £28.85
Freshwater test included • Simple easy icp • Kit this single - Free postage - New and Used
Freshwater test included • Simple easy icp • Kit this single - Free postage - New and Used
Clownfishes joyce wilkerson - clownfishes, - £15.64
Clownfishes byjoyce wilkerson • Essential reference anyone • Keeping breeding marine - Free postage - New and Used
Clownfishes byjoyce wilkerson • Essential reference anyone • Keeping breeding marine - Free postage - New and Used
Saltwater aquarium fishes - aquarium, - £7.37
Saltwater aquarium fishes • Herbert axelrod warren • Burgess comprehensive guide - Free postage - New and Used
Saltwater aquarium fishes • Herbert axelrod warren • Burgess comprehensive guide - Free postage - New and Used
Try this: slazenger tennis balls | snake habitat | snake hides | snake terrarium | tang fish | turkey egg incubator | turkey hatching eggs | unique bird cages | vivarium thermostat | white aquarium sand
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Everything you need to know about saltwater marine fish
Whether you are looking for a brand-new or second-hand saltwater marine fish, 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 £3.74, while premium listings can reach £149.99 — giving you a wide budget spread to work with. The average price of £30.12 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.