Marine

Explore our extensive range of marine aquarium products, carefully selected to help you create, maintain and enjoy a healthy and thriving saltwater aquarium.

At Stockport Marine & Koi, we stock everything you need for marine and reef keeping, from aquariums, filtration and lighting to pumps, treatments, foods, supplements and essential maintenance equipment.

Whether you’re setting up your first marine aquarium, developing a reef system or maintaining an established tank, you’ll find quality products from trusted brands alongside expert advice from our experienced team.

Browse our marine aquarium supplies and equipment below and find everything you need for your marine setup in one place.

Showing 61–90 of 234 results

  • Magnificent Foxface, Siganus Magnificus, stockportmarineandkoi.co.uk

    Magnificent Foxface, Siganus magnificus

    £65.00

    The Magnificent Foxface (Siganus magnificus) is a stunning marine rabbitfish with bold black, white, yellow and reddish markings. Ideal for spacious marine aquariums, it grazes on algae and requires excellent water quality, a varied diet and careful handling due to its venomous fin spines.

  • Mantis Bio Filter Sphere

    Mantis Bio Filter Sphere

    £24.95

    Inert Ceramic Material With Open-flow Architecture

  • Mantis Bio-filter Blocks

    Mantis Bio-filter Blocks

    £24.95

    Mantis Bio-Filter Blocks provide high-surface-area filtration media for freshwater, marine, and reef aquariums. They support beneficial bacteria growth, enhance biological filtration, and help maintain stable, healthy water conditions for fish and corals.

  • Mantis Tornado

    Mantis Tornado

    Price range: £79.99 through £109.99

    Mantis Tornado Water Pumps provide powerful, adjustable water flow for freshwater and marine aquariums. Compact, durable, and energy-efficient, they improve circulation, oxygenation, and nutrient distribution, supporting healthy fish, corals, and invertebrates.

  • Mantis Tourbon Pump - 100
  • Placeholder

    Maroon Gold Nuggets (pair)

    £120.00

    The Maroon Gold Nugget Clownfish (Amphiprion biaculeatus) is a striking designer clownfish with a brilliant golden body and deep maroon face and fins. Its colour develops as it matures, creating a spectacular display in a marine aquarium. This omnivorous, reef-compatible species needs stable water conditions and careful tank mate selection due to its territorial nature.

  • Midas Blenny , stockportmarineandkoi.co.uk

    Midas Blenny

    Price range: £25.00 through £35.00

    The Midas Blenny (Ecsenius midas) is a striking marine fish with a vibrant golden-yellow body and distinctive blue-ringed eyes. Ideal for established reef aquariums, it needs plenty of hiding places, open swimming space and a varied, protein-rich diet.

  • Minn Finn

    Minn Finn

    £22.50

    Minn-Finn Treatment is a safe and effective solution for treating bacterial, fungal, and parasitic infections in marine and freshwater aquariums. It helps restore fish health, vitality, and natural coloration while being compatible with most aquarium inhabitants.

  • Monti Bug-Eating Wrasse, stockportmarineandkoi.co.uk

    Monti Bug-Eating Wrasse

    £35.00

    The Monti Bug-Eating Wrasse (Halichoeres marginatus) is an active and colourful marine fish known for hunting small invertebrates and potential aquarium pests. Suitable for mature marine aquariums, it needs plenty of swimming space, live rock and a fine sand bed for sleeping. Generally compatible with corals, it may eat small ornamental shrimp, crabs and snails.

  • Nassarius Snails

    Nassarius Snails

    £2.75

    Nassarius Snails are peaceful, reef-safe scavengers that clean your marine aquarium’s sand bed by eating leftover food and detritus. They burrow to aerate the substrate, helping maintain a healthy, clean environment for fish and corals.

  • NTLABS Marine Algae Flake & Garlic 30g
  • NTLABS Marine Ocean Flake & Garlic 30g

    NTLABS Marine Ocean Flake & Garlic 30g

    £12.99

    NT Labs Marine Ocean Flake & Garlic –  is a complete flake food for marine and reef fish, enriched with garlic to boost appetite, support immunity, and promote healthy growth and vibrant coloration, while helping maintain clean water.

  • Ocean Nutrition Formula One Pellets Small 200g
  • Ocean Nutrition Formula Two Pellets Medium 200g
  • Ocean Nutrition Formula Two Pellets Small 200g
  • Adult Orange Shoulder Tang,stockportmarineandkoi.co.uk

    Orange Shoulder Tang Adult

    £85.00

    The Adult Orange Shoulder Tang (Acanthurus olivaceus) is an eye-catching marine fish featuring a grey-brown body and a vivid orange shoulder marking edged with darker colours. An active algae grazer, it is generally reef compatible and suits large, established marine aquariums with plenty of swimming space, excellent water quality and a varied diet.

  • Orange Skunk Clownfish (Amphiprion sandaracinos), stockportmarineandkoi.co.uk

    ORANGE SKUNK CLOWN-Amphiprion sandaracinus

    £30.00

    The Orange Skunk Clownfish (Amphiprion sandaracinos) is a striking marine fish with a vibrant orange body and distinctive white stripe running along its back. Generally peaceful and reef safe, it thrives in an established saltwater aquarium with stable water conditions and a varied omnivorous diet. A suitable host anemone is optional.

  • Orange Spot Goby , stockportmarineandkoi.co.uk

    Orange Spot Goby

    Price range: £25.00 through £35.00

    The Orange Spot Goby (Valenciennea puellaris) is a colourful marine fish featuring bright orange spots and distinctive blue facial markings. Ideal for established marine aquariums, it enjoys a sandy substrate, regular feeding and stable water conditions.

  • Percula Clown Amphiprion Percula, stockportmarineandkoi.co.uk

    Percula Clown Amphiprion Percula

    £30.00

    The Percula Clownfish (Amphiprion percula) is a colourful marine fish featuring a bright orange body, three white bands and distinctive black edging. Hardy, active and generally reef safe, it is an excellent choice for marine aquariums. It thrives on a varied diet and does not require a host anemone.

  • Picasso Trigger, stockportmarineandkoi.co.uk

    Picasso Trigger

    £85.00

    The Picasso Triggerfish (Rhinecanthus aculeatus) is a colourful and characterful marine fish, recognised by its striking blue, yellow, black and white markings. Growing to around 25–30cm, it is best suited to a spacious fish-only marine aquarium. This active, territorial species requires a varied diet and is not suitable for reef aquariums containing corals or ornamental invertebrates.

  • Pink Tip Torch Coral
  • Plate Coral

    Plate Coral

    £90.00
  • Plate Coral 6"
  • Platygyra Aussie Coral
  • Sale! Polyp Lab Reef Roids 150g

    Polyp Lab Reef Roids 150g

    Original price was: £41.99.Current price is: £34.49.

    Polyp Lab Reef-Roids 150g is premium coral food made from marine plankton, designed to boost growth and color in filter-feeding corals. Ideal particle size and eco-friendly packaging make it a top choice for reef aquariums.

  • Polyp Lab Reef Roids 75g

    Polyp Lab Reef Roids 75g

    £22.99

    Polyp Lab Reef-Roids 75g is a natural coral food made from marine plankton, ideal for filter-feeding corals like Goniopora and Zoanthids. It promotes vibrant growth and coloration while minimizing water quality impact.

  • Purple Firefish,stockportmarineandkoi.co.uk

    Purple Firefish

    £40.00

    The Purple Firefish (Nemateleotris decora) is a beautiful marine fish with vibrant purple, violet, yellow and white markings and elegant flowing fins. Peaceful and reef-safe, it is ideal for mature marine aquariums with plenty of hiding places and calm tank mates. Feed a varied diet of small meaty foods and always use a secure aquarium lid, as this species is known to jump.

  • Purple Green Centre Candy Cane Frags
  • Purple Tang. stockportmarineandkoi.co.uk

    Purple Tang

    £165.00

    The Purple Tang (Zebrasoma xanthurum) is a spectacular marine fish featuring a vibrant purple body and bright yellow tail. Ideal for established marine and reef aquariums, it requires excellent water quality, plenty of swimming space and an algae-rich diet.

  • Red Firefish, stockportmarineandkoi.co.uk

    Red Firefish

    £25.00

    The Red Firefish (Nemateleotris magnifica) is a stunning marine fish with a white and yellow front, fiery red-orange rear and elegant elongated dorsal fin. Peaceful and reef-safe, it is ideal for mature marine aquariums with plenty of hiding places. Feed a varied diet of small meaty foods and always use a secure aquarium lid, as this species is known to jump.

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