Goldfish pellets
Goldfish pellets are a concentrated, complete food that holds together better than flake, wastes less into the water, and comes in sinking or floating forms depending on how your fish actually feeds. Most goldfish do well on a good pellet as their everyday food, fed in small amounts a couple of times a day rather than one big serving.
Why pellets rather than flake
Flake is fine for many fish, but goldfish are enthusiastic, messy eaters, and flake breaks up quickly into fine particles that cloud the water and get missed rather than eaten. A pellet holds its shape for longer, which means less waste sitting in the tank, less strain on your filter, and a more accurate idea of how much your fish is actually getting through.
Pellets are also generally more nutritionally complete for a fish's size, since more of the formula can be packed into a dense pellet than into a thin flake. For a fish that is going to be eating the same food for years, that consistency matters more than it might for an occasional treat.
Floating or sinking — which your goldfish needs
Goldfish feed at different levels depending on the individual and the breed — fancy varieties with rounder bodies often struggle to feed comfortably at the surface, while slimmer common and comet goldfish will happily take food floating on top. Watch where your fish actually spends its time feeding before deciding, rather than assuming one type suits every goldfish.
Floating pellets carry a small risk of fish gulping air at the surface along with the food, which some keepers link to swim bladder trouble in fancy varieties. Soaking floating pellets briefly in tank water before feeding softens them and reduces how much air gets swallowed in the process, and sinking pellets avoid the issue for fish that feed happily further down.
How much and how often
Little and often works better than one large feed. A common approach is to offer only what your fish can finish in a couple of minutes, once or twice a day, and remove anything left uneaten rather than letting it sit and foul the water. Overfeeding is the single most common goldfish-keeping mistake, and it shows up as poor water quality long before it shows up as an obviously unwell fish.
Pellet size matters for smaller or younger goldfish, who can struggle with a pellet sized for an adult fish. Checking the pack for a size guide, or choosing a smaller pellet for a young or petite fish, avoids food simply being ignored because it is too big to manage.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Tetra Goldfish Flakes
Complete goldfish flakes in several pack sizes, with a shared formula across the family
From£3.02
Tetra Goldfish Granules
Complete granules for goldfish, with a shared formula across both pack options
From£3.98
Tetra Prima Mini Granules
Slow-sinking granules for mid-water and bottom-feeding fish, blending herbivore and omnivore diets
£6.10
Tetra Aquasafe
A water conditioner that neutralises chlorine and heavy metals, with an added vitamin B mix
From£6.41
Tetra Pond Fish Food Variety Sticks
Complete Tetra Pond Variety Sticks in three colours, across four pack sizes
From£6.41
Tetra Koi Pond Fish Food Sticks
Complete fast-soaking Tetra Pond Koi Sticks, available in four pack sizes
From£6.41
Tetramin
Complete TetraMin flake food for ornamental fish, offered across several pack sizes
From£2.39
Tetra Temperate Flakes
Complete flakes for subtropical fish kept at 18–23°C, with vegetable ingredients
£6.99
Tetra Pond Fish Food Sticks
Complete fast-soaking Tetra Pond Sticks for pond fish, in seven pack sizes
From£4.77
Tetra Japan
Sinking dry pellets for fancy goldfish, with pack-specific label information shown clearly
From£4.56
Common questions
- Can I feed pond goldfish the same pellets as tank goldfish?
- Many pellets are suitable for both, but pond fish are often more active and feeding outdoors brings in temperature swings that affect how much they need. Check whether a pellet is labelled for pond use, and feed less in cold weather when a goldfish's appetite naturally drops right off.
- Why does my goldfish spit pellets back out?
- It is usually the pellet being too large or too hard for that fish to manage comfortably, rather than the fish disliking the food. Try a smaller pellet size, or soak pellets briefly in tank water first to soften them before feeding.
- Do goldfish need both pellets and flake?
- No, a good complete pellet is enough as an everyday food on its own. Some keepers like to vary texture and offer flake or the occasional vegetable treat alongside it, but it is not a nutritional requirement — just a way of adding variety.
- How do I know if I'm overfeeding my goldfish?
- Uneaten food sitting on the tank floor or bottom of the pond after a couple of minutes is the clearest sign, along with cloudy water and a filter that needs cleaning more often than usual. Cutting back the amount, not the number of feeds, usually solves it.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.