Pets

Fish & aquatic supplies

6 kinds worth knowing, 9 picks, and what to check before you buy.

Representative photo-style image of fish & aquatic supplies — generated, not a specific product
Representative image, generated

Gifts in this category usually go to someone who already keeps fish, or to a family about to set up a first tank. The things that get used are the everyday ones: fish food, a reliable heater, water test kits and tools that make cleaning day shorter. Decorations and plants are fun, but they work best when you know the tank's size and the kind of fish in it. Before you buy, find out whether the tank is freshwater or saltwater, roughly how many litres it holds, and what lives in it. A small, well-chosen extra is more useful than a large item that doesn't fit the setup.

Kind 1 of 6

Fish food and feeding helpers

Food runs out steadily, so it is one of the few aquarium gifts that is almost always welcome. A variety pack of flakes, pellets and frozen or freeze-dried treats lets the owner rotate what the fish eat. An automatic feeder suits anyone who travels or works long days. Before buying, check what species are in the tank, since bottom feeders, bettas and goldfish eat different foods. Pick pellet sizes that suit the fish's mouths, and for a feeder, check it can mount on the tank's rim or lid.

  • Representative photo-style image of premium fish food variety pack — generated, not a specific product

    Gift ideaUsually $15–$25

    Premium fish food variety pack

    Offer a diverse and nutritious diet to aquatic pets with a selection of high-quality food types tailored for various fish species.

  • Representative photo-style image of programmable automatic fish feeder — generated, not a specific product

    Gift ideaUsually $25–$50

    Programmable automatic fish feeder

    This convenient device ensures fish are fed regularly, perfect for busy individuals or when away from home.

Kind 2 of 6

A dependable submersible heater

Most tropical fish need steady warm water, and in a Canadian or northern US winter a good heater does a lot of work. A submersible heater sits fully underwater, usually on the back glass, and holds a set temperature. It suits anyone keeping tropical species, including bettas in smaller tanks. Before you buy, match the heater's wattage to the tank's volume, and check that it has an adjustable thermostat and a clear temperature dial. Goldfish and many coldwater species don't need one, so ask what the fish are first.

  • Representative photo-style image of submersible aquarium heater — generated, not a specific product

    Gift ideaUsually $15–$25

    Submersible aquarium heater

    Maintain a stable and appropriate water temperature for tropical fish species with this essential piece of equipment.

Kind 3 of 6

Water testing for peace of mind

Clear water can still be out of balance, and a full test kit shows what's actually going on. A kit that checks pH, ammonia, nitrite and nitrate covers the readings most owners track, and it's especially handy in a new tank that's still settling. It suits careful beginners and experienced keepers alike. Liquid kits usually give more precise readings than strips but take a few extra minutes. Before buying, confirm whether the tank is freshwater or saltwater, since some kits only work for one.

  • Representative photo-style image of comprehensive water quality test kit — generated, not a specific product

    Gift ideaUsually $25–$50

    Comprehensive water quality test kit

    Essential for maintaining a healthy aquatic environment, this kit helps monitor crucial water parameters for fish well-being.

Kind 4 of 6

Starter tanks and cleaning gear

For someone starting out, a complete kit takes the guesswork out of matching a tank, filter and light. The Fluval Flex 15 Aquarium is a 57 litre (15 US gallon) setup that gives a beginner enough water to keep a small community of fish. Smaller kits suit a single betta or a desk-sized tank. For people who already have a tank, cleaning tools such as an algae scraper, gravel vacuum and fish net get used every week. Before buying a kit, check that there's a sturdy surface with enough space and a nearby outlet.

  • Representative curved-front aquarium beside a silver Christmas gift

    Curated pickOver $100

    Fluval Flex 15 Aquarium

    A researched pet-household upgrade with clear fit, setup and exact-model checks.

  • Representative photo-style image of complete small aquarium starter kit — generated, not a specific product

    Gift ideaUsually $50–$100

    Complete small aquarium starter kit

    This comprehensive kit is ideal for beginners looking to introduce aquatic life into their home or office environment.

  • Representative photo-style image of multi-purpose aquarium cleaning tools — generated, not a specific product

    Gift ideaUsually $15–$25

    Multi-purpose aquarium cleaning tools

    This collection of specialized tools simplifies routine tank maintenance, keeping the aquatic habitat pristine and clear.

Kind 5 of 6

Decorations that suit the tank

Caves, driftwood-style pieces and rock formations give fish places to hide and make a tank more personal. A decoration is a good pick for someone who likes to rearrange their setup or has just upgraded to a larger tank. When shopping online, look closely at the listed dimensions, because it's easy to buy something too tall for the lid or too big for a small tank. Choose pieces labelled aquarium-safe, with smooth edges and openings wide enough for the fish to swim through.

  • Representative photo-style image of assorted fish tank decorations — generated, not a specific product

    Gift ideaUsually $15–$25

    Assorted fish tank decorations

    Enhance the visual appeal of any aquarium with a selection of unique and engaging decorative pieces for fish to explore.

Kind 6 of 6

Live plants for a natural look

Live plants make a tank look more natural and give fish cover. Easy species that do well in low light suit beginners and tanks with basic lighting, while fussier plants need stronger light and more attention. They're a thoughtful gift for someone who enjoys tending the tank, not just watching it. Before buying, check that the plants suit freshwater, that the recipient's fish won't simply eat them, and that the plants will be delivered soon after they're shipped so they arrive healthy.

  • Representative photo-style image of assorted live aquarium plants — generated, not a specific product

    Gift ideaUsually $15–$25

    Assorted live aquarium plants

    Introduce natural beauty and beneficial oxygenation to a fish tank with a selection of vibrant, living aquatic flora.

How to choose fish & aquatic supplies as a gift

  • Ask whether the tank is freshwater or saltwater before buying anything that touches the water.
  • Find out the tank's volume in litres or gallons, since heaters, decorations and plant counts all depend on it.
  • Consumables like food and water conditioner are safe choices when you don't know the setup well.
  • For a first-time keeper, a complete kit beats a pile of loose parts that may not work together.
  • Check what species live in the tank so food, plants and decorations suit those fish.

Usually safe to skip

  • Novelty decorations with painted finishes or sharp edges often look good in the box but aren't suited to life underwater.
  • Live fish as a surprise gift rarely work, because the tank needs time to settle before fish go in.
  • Oversized ornaments crowd small tanks and leave the fish less room to swim.

Questions people ask about fish & aquatic supplies

What is a good gift for someone who already has a fish tank?
Fish food, a water test kit or a set of cleaning tools all get used regularly. If you know the tank's size and the fish in it, a decoration or a few live plants add a personal touch.
What size heater do I need for a fish tank?
Match the heater to the tank's volume. Packaging usually lists the range of litres or gallons each heater suits. A cold room may need a little more wattage, so check where the tank sits before choosing.
Is an aquarium starter kit a good gift for a beginner?
Yes, if the person actually wants to keep fish and has room for it. A kit bundles a tank, filter and light that are designed to work together, which saves a beginner from matching parts on their own.

Looking for one person in particular? Shop by person.

Everything else

All fish & aquatic supplies picks

Show:AllSpecific productsGift ideasBudget:AnyUnder $15$15–$25$25–$50$50–$100Over $100

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