A flat hopper that hangs inside the rim.
It hooks over the glass and sits inside the tank rather than perched on top, which is the answer for a hooded tank or one in a cabinet with no headroom.
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Why you'll love it
Drum feeders need headroom above the rim, which a hood does not give them. This one hangs down inside the glass, so the lid still closes and the light still sits flat.
Narrow chutes arch over and stop dispensing, usually on day three of a holiday. The flat tray here is wider than any pellet is long, which is the whole reason it keeps running.
If you keep a turtle or an axolotl alongside the tank, the same unit handles them. Amphibian keepers otherwise end up buying twice because most feeders are sold fish only.
Good fit if
Look elsewhere if
Most automatic feeders are a drum on a clamp, and they need vertical space above the tank to work. A fully hooded aquarium, or one sitting in a cabinet with a shelf above it, frequently has nowhere for that, and the feeder either does not fit or has to be balanced somewhere it will eventually fall.
A flat hopper on a hook bracket solves it by working inside the rim instead of above it. The body sits against the glass under the hood, so the only requirement is a gap at the rim to hook over, which almost every tank has somewhere along its length.
The capacity is the same five hundred millilitres, so there is no compromise there. What you give up is distance from the water. Sitting inside the tank means the hopper is closer to the humid air rising off the surface, and moisture is the main cause of a feeder clogging.
That makes food choice more important than it would be with a drum mounted higher. Pellets tolerate damp far better than flake, and it is worth switching to pellet before a long absence rather than discovering the hopper has set solid halfway through a fortnight away.
One to four feeds on a 24 hour cycle covers everything a community tank needs. Two smaller feeds usually suit small fish with fast metabolisms better than one large one, and it also means a single misfire is less consequential than it would be with one feed a day.
The touch panel is straightforward, but check the setting has actually taken by watching a full cycle rather than assuming. Then run it for several days while you are still at home. That is long enough to confirm the portion, the timing and that nothing has clogged, and it is the step people skip.
In the box
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The details
Empty and dry the hopper between trips rather than leaving food in it indefinitely. Wipe the inside with a dry cloth, and check the outlet specifically, since a plug forms there first and is not visible from the top of a full hopper.
Take the unit off the glass occasionally and dry the bracket and the back of the housing. Condensation collects where the body meets cold glass, and that is where corrosion starts on the contacts if the unit is left in place for months without inspection.
Loved by real pet parents
The shape is the selling point and it really does hang neatly inside the rim at only 5.6 cm deep. The touch buttons register more easily than I would like, so I knocked the schedule once while cleaning the glass. Easy enough to reset, just something to watch.
My tank has a fixed hood with barely two centimetres of clearance and every drum feeder I looked at needed headroom above it. This hooks over the glass and hangs down inside, so the lid closes properly and the light still sits flat. Been in since March with no trouble.
I feed a fine powder to the smallest fish and most feeders either bridge over or dump the lot. The flat tray here is wide enough that it has not arched over once. It takes the flake for the bigger ones without changing anything either.
It works and the portions are consistent across the day. Because it sits inside the glass rather than on top, it takes up more visible space at the back than the photos suggested to me. Practical rather than pretty.
We have a tank and a turtle setup on the same shelf and I was resigned to buying two different feeders. This one handles sticks for him and flake for the fish, just set up separately on each. Saved me a lot of faff.
On my main tank the hook slid over the rim perfectly. On the thicker glass of the other one it is a very tight push and I would not want to force it. Where it fits, it has been completely reliable since November.
The reason I needed a flat feeder was a cat who treats an open tank as a drinking fountain. With this hanging inside the glass the hood shuts as normal. Four feeds a day set on the panel and it has not missed one.
Setting it is straightforward once you find the right angle, but in a bright room the panel washes out and I ended up cupping a hand over it. Once programmed you barely look at it again. It has held the same schedule since April.
At about 190 g it hangs off the glass without putting any strain on the rim, yet it still takes 500 ml of flake. That combination is why I picked it over the bigger drum sort. Nearly four months of feeds out of one fill.
Good questions
Shape, mostly. The drum holds the same 500 ml but stands above the rim and runs two months on a charge. This one is flat and hangs inside the glass, which is what you want if the tank has a hood.
It runs on batteries, so there is no cable into the tank. Change them before a long trip rather than after, since there is no low battery warning worth relying on.
The bracket needs a flat vertical section of rim to hook over. On a bowed front, mount it on the back or side glass where the panel is still flat.
It hooks over the glass and sits inside the rim rather than clamping on top, so it fits under a hood. Capacity is the same; the compromise is being closer to humid air, so it clogs more readily with flake.
No, it runs on its own power rather than mains. Check the charge or the cells before any trip rather than relying on the indicator.
The bracket needs a straight section of rim to grip. Most bowed front tanks have straight sides, so hook it there rather than on the curved front panel.
Last reviewed 30 August 2026