Marine fish
Marine fish for sale on Ireland's largest auction and classifieds sites
Marine macroalgae frag macro - frag, - £9.99
Have many most • Popular macroalgae such • Aschaetomorpha chaeto andcaulerpa - Free postage - New and Used
Have many most • Popular macroalgae such • Aschaetomorpha chaeto andcaulerpa - Free postage - New and Used
Marine macro algae hypnea - marine, algae, - £20.42
This sale frag • Blue hypnea pannosa • See second photo - Free postage - New and Used
This sale frag • Blue hypnea pannosa • See second photo - Free postage - New and Used
Red ogo marine - ogo, - £20.00
Red ogo gracilaria • Parvispora attractive hawaiian • Macro algae found - Free postage - New and Used
Red ogo gracilaria • Parvispora attractive hawaiian • Macro algae found - Free postage - New and Used
Marine fish collagen powder - marine, - £89.99
Marine collagen powder • Hydrolysed peptides type • Rich source bioavailable - Free postage - New and Used
Marine collagen powder • Hydrolysed peptides type • Rich source bioavailable - Free postage - New and Used
Looking for more marine fish?
Search eBay live — fresh results filtered for the best value, updated every hour.
Marine aquarium live rock - £15.00
Marine aquarium live • Rock rubble various • Sizes but mainly - Free postage - New and Used
Marine aquarium live • Rock rubble various • Sizes but mainly - Free postage - New and Used
📊
48 listings · from £0.99 · avg £39.93
Browse 48 marine fish listings currently in our index. Prices range from £0.99 to £204.99, with an average of £39.93. 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 marine fish →
Aquascape epoxy grey - d-d, - £7.48
Has been • Aquascape two part • Epoxy putty that - Free postage - New and Used
Has been • Aquascape two part • Epoxy putty that - Free postage - New and Used
Black corrugated flexible pond - flexible, - £48.84
Tough yet flexible • Maintains its shape • Even when bent - Free postage - New and Used
Tough yet flexible • Maintains its shape • Even when bent - Free postage - New and Used
Marine macro algae halymenia - macro, - £32.50
Even from reef • This particular genus • Can look vastly - Free postage - New and Used
Even from reef • This particular genus • Can look vastly - Free postage - New and Used
Blue ochtodes hypnea pannosa - hypnea, - £21.49
Blue ochtodes hypnea • Pannosa macroalgae beautiful • Perfect refugiums nutrient - Free postage - New and Used
Blue ochtodes hypnea • Pannosa macroalgae beautiful • Perfect refugiums nutrient - Free postage - New and Used
Marine macro algae - £17.25
All algae propogated • Dedicated custom pest • Free grow out - Free postage - New and Used
All algae propogated • Dedicated custom pest • Free grow out - Free postage - New and Used
Marine collagen capsules - collagen, anti - £4.29
Marine collagen 400mg • Suggested that from • Your mid 20s - Free postage - New and Used
Marine collagen 400mg • Suggested that from • Your mid 20s - Free postage - New and Used
Aquaforest stone fix 5l - 1l, - £14.95
Aquaforest stone fix • 1.5kg temporary water • Blushing will not - Free postage - New and Used
Aquaforest stone fix • 1.5kg temporary water • Blushing will not - Free postage - New and Used
Instant ocean marine salt - ocean, - £101.75
- Free postage - New and Used
- Free postage - New and Used
Marine collagen powder 10000mg - marine, - £22.95
Marine collagen powder • Introducing applied nutrition • 10000 exciting addition - Free postage - New and Used
Marine collagen powder • Introducing applied nutrition • 10000 exciting addition - Free postage - New and Used
Marine collagen peptides - marine, | - £9.99
Purest pure micro • Hydrolysed halal collagen • Peptides powder perfection - Free postage - New and Used
Purest pure micro • Hydrolysed halal collagen • Peptides powder perfection - Free postage - New and Used
Collagen powder pure marine - powder, - £9.99
Darker collagen more • Likely higher impurities • Retained pure hydrolysed - Free postage - New and Used
Darker collagen more • Likely higher impurities • Retained pure hydrolysed - Free postage - New and Used
Marine safe aquarium fish tank - marine, - £8.00
High quality non • Silicone sealant adhesive • Apply using standard - Free postage - New and Used
High quality non • Silicone sealant adhesive • Apply using standard - Free postage - New and Used
Nitrile aquarium gloves - nitrile, - £11.99
Totally reef safe • 100 nitrile gloves • Tank coral fragging - Free postage - New and Used
Totally reef safe • 100 nitrile gloves • Tank coral fragging - Free postage - New and Used
Vitalis mini marine - mini, - £125.49
Vitalis platinum marine • Grazers are complete • Pet food fish - Free postage - New and Used
Vitalis platinum marine • Grazers are complete • Pet food fish - Free postage - New and Used
Herons marine pellets - marine, - £0.99
Attributes improves colour • Growth digestion immune • System betaine 1920 - Free postage - New and Used
Attributes improves colour • Growth digestion immune • System betaine 1920 - Free postage - New and Used
Bcuk frozen bloodworm fish - bcuk, - £43.99
Bcuk frozen bloodworm • High quality natural • Food source suitable - Free postage - New and Used
Bcuk frozen bloodworm • High quality natural • Food source suitable - Free postage - New and Used
Seachem prime dechlorinator - prime, - £134.95
Don wait order • Now enjoy cleaner • Healthier aquarium comprehensive - Free postage - New and Used
Don wait order • Now enjoy cleaner • Healthier aquarium comprehensive - Free postage - New and Used
Aquarium fish transport bags - fish, - £3.99
Strong clear polythene • Bags are puncture • Proof safe your - Free postage - New and Used
Strong clear polythene • Bags are puncture • Proof safe your - Free postage - New and Used
Instant ocean marine salt - instant, - £52.99
Instant ocean synthetic • Sea salt 20kg • 10kg such have - Free postage - New and Used
Instant ocean synthetic • Sea salt 20kg • 10kg such have - Free postage - New and Used
Cryptonemia crenulata algae - ,, - £8.12
You receive portion • That will establish • Quickly your system - Free postage - New and Used
You receive portion • That will establish • Quickly your system - Free postage - New and Used
Allpondsolutions wave maker - allpondsolutions, - £14.99
Allpondsolutions range wavemaker • Powerheads have 360 • Degree rotating mount - Free postage - New and Used
Allpondsolutions range wavemaker • Powerheads have 360 • Degree rotating mount - Free postage - New and Used
Marine macro algae halymenia - marine, - £22.50
Cutting from colony • Shown photographs all • Algae propogated dedicated - Free postage - New and Used
Cutting from colony • Shown photographs all • Algae propogated dedicated - Free postage - New and Used
Reef zlements trace elements - reef, - £20.99
Chromium may have • Positive impacts coral • Skeleton calcification health - Free postage - New and Used
Chromium may have • Positive impacts coral • Skeleton calcification health - Free postage - New and Used
Vitalis platinum marine - platinum, - £99.99
Vitalis platinum marine • Pellets are complete • Pet food fish - Free postage - New and Used
Vitalis platinum marine • Pellets are complete • Pet food fish - Free postage - New and Used
Marine fish collagen - fish, powder - £25.99
Marine collagen powder • Hydrolysed peptides type • Rich source bioavailable - Free postage - New and Used
Marine collagen powder • Hydrolysed peptides type • Rich source bioavailable - Free postage - New and Used
Jebao marine reef aquarium - jebao, - £48.99
Feed mode disables • Pump minutes fluval • Cycle aquarium filter - Free postage - New and Used
Feed mode disables • Pump minutes fluval • Cycle aquarium filter - Free postage - New and Used
Ocean rock marine reef malawi - ocean, - £34.99
Malawi tanganyika lake • Victoria all our • Rocks arecarefully hand - Free postage - New and Used
Malawi tanganyika lake • Victoria all our • Rocks arecarefully hand - Free postage - New and Used
Nyos nitrate reefer test kit - nyos, - £19.99
Nyos high level • Precision nitrate test • Reefing - Free postage - New and Used
Nyos high level • Precision nitrate test • Reefing - Free postage - New and Used
Labs pro probiotic marine - nt, - £12.45
Versatile feeding floating • Sinking granules cater • Levels available sizes - Free postage - New and Used
Versatile feeding floating • Sinking granules cater • Levels available sizes - Free postage - New and Used
Marine macro algae halymenia - macro, - £22.50
All algae propogated • Dedicated custom pest • Free grow out - Free postage - New and Used
All algae propogated • Dedicated custom pest • Free grow out - Free postage - New and Used
Black corrugated flexible pond - corrugated, - £116.57
Also commonly used • Creating waterfalls streams • Well directing water - Free postage - New and Used
Also commonly used • Creating waterfalls streams • Well directing water - Free postage - New and Used
Marine filter food - filter, - £5.99
Marine snow invert • Coral food reef • Zoo phyto plankton - Free postage - New and Used
Marine snow invert • Coral food reef • Zoo phyto plankton - Free postage - New and Used
Chaetomorpha cheatomorpha - £8.99
This great strain • Chaeto really healthy • Thriving system you - Free postage - New and Used
This great strain • Chaeto really healthy • Thriving system you - Free postage - New and Used
Caulerpa brachypus marine - brachypus, - £4.95
Caulerpa brachypus macroalgae • Which great nitrate • Phosphate removal marine - Free postage - New and Used
Caulerpa brachypus macroalgae • Which great nitrate • Phosphate removal marine - Free postage - New and Used
Black corrugated flexible - flexible, pond - £7.95
High quality resistant • Material perfect better • Flow rates preventing - Free postage - New and Used
High quality resistant • Material perfect better • Flow rates preventing - Free postage - New and Used
Caribsea ocean direct natural - ocean, - £46.95
Live sand • Biologically active aquarium • Substrate that stands - Free postage - New and Used
Live sand • Biologically active aquarium • Substrate that stands - Free postage - New and Used
Marco rock coral - coral, reef - £204.99
Marco coralline rock • Totally natural calcium • That now supplied - Free postage - New and Used
Marco coralline rock • Totally natural calcium • That now supplied - Free postage - New and Used
Atm colony marine - colony, nitrifying - £28.45
Atm colony marine • Nitrifying bacteria available • Aquarium fish blue - Free postage - New and Used
Atm colony marine • Nitrifying bacteria available • Aquarium fish blue - Free postage - New and Used
Tims one only life filter - only, - £32.95
Only live nitrifying • Bacteria revolutionary solution • Reef nano aquaria - Free postage - New and Used
Only live nitrifying • Bacteria revolutionary solution • Reef nano aquaria - Free postage - New and Used
Sicce syncra pump silent - pump, - £75.99
Syncra pump • Silent design reliability • Fused sicce superior - Free postage - New and Used
Syncra pump • Silent design reliability • Fused sicce superior - Free postage - New and Used
1000ml marine phytoplankton - 1000ml, - £12.99
This 1000ml marine • Phytoplankton specifically nannochloropsis • Oculata high quality - Free postage - New and Used
This 1000ml marine • Phytoplankton specifically nannochloropsis • Oculata high quality - Free postage - New and Used
Funktion pump return - return, / - £139.99
Funktion freshwater saltwater • Wave aquarium fish • Tank pump 3000lph - Free postage - New and Used
Funktion freshwater saltwater • Wave aquarium fish • Tank pump 3000lph - Free postage - New and Used
Jebao marine aquarium - marine, - £68.99
Jebao jecod automatic • Marine reef dosing • Pump choice channel - Free postage - New and Used
Jebao jecod automatic • Marine reef dosing • Pump choice channel - Free postage - New and Used
Try this: 6ft fish tank | wooden vivarium | bow front fish tank | cube aquarium | baby biorb | eheim | marine aquarium live rock | pond air stones | 80 litre fish tank | aquarium 4ft
Shop by budget
Everything you need to know about marine fish
Whether you are looking for a brand-new or second-hand 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 £0.99, while premium listings can reach £204.99 — giving you a wide budget spread to work with. The average price of £39.93 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.