Silicone Coral Tree
Soft enough to move with the filter flow.
Movement is the difference between a tank that looks alive and one that looks arranged. Silicone bends with the flow; a rigid plastic ornament stands exactly where you put it, permanently.
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- Soft silicone that bends and sways with the current
- Six colourways, from pink through to spiked green
- No hard edges or moulding seams to catch fins
- Weighted base, 13 x 10 x 13 cm
- Suits freshwater and marine tanks
Colour: Pink
Why you'll love it
Made for happy, healthy pets
Movement is what sells the illusion
Rigid plastic coral reads as an ornament immediately. Something that moves on the filter outflow reads as alive, and it is the single biggest difference between a tank that looks decorated and one that looks planted.
Silicone is the safe choice for long fins
Bettas and fancy goldfish tear on hard resin. Silicone has give in it, so a fish that swims into it is pushed aside rather than caught.
Colour is a choice, not a default
Bright coral suits a marine-look tank and looks wrong in a planted freshwater one. The six options exist so you can match the tank you actually have.
Good fit if
- Adding movement to a tank with no live planting
- Long-finned fish, since there are no hard edges
- Marine and freshwater tanks alike
- Colour in a scape where live plants would be green only
Look elsewhere if
- You are building a naturalistic freshwater biotope
- Your tank has almost no flow for it to respond to
- You want something that stays exactly in position
Why movement matters
A tank full of rigid objects reads as a display case. Everything is still except the fish, and the eye stops finding it interesting quite quickly. In natural water almost everything moves a little, and reproducing that is what separates a tank that holds attention from one that is simply decorated.
Silicone is soft enough to respond to ordinary filter flow. It sways rather than whipping about, which is the right amount, and it means the decor changes slightly through the day as flow patterns shift. It is a subtle effect and it does more for a tank than an extra ornament would.
Soft is also safer
Rigid plastic ornaments carry moulding seams, and those seams stay sharp. Long-finned fish tear on them over weeks rather than immediately, so the damage accumulates without an obvious cause and is often blamed on fin rot or a tankmate.
Silicone has no seams to speak of and nothing rigid enough to cut. For a betta, a fancy guppy or a veiltail goldfish that makes it one of the safer things you can put in a tank, and it means you can place it where the fish actually swim rather than tucking it out of the way.
Placement and flow
Put it where there is some flow, or the movement never happens. Near the filter outflow but not directly in the jet is about right, and in a tank with very gentle circulation it is worth positioning it in the strongest area you have rather than in a still corner.
The weighted base holds it upright in gravel or sand once pushed in far enough to be covered. Check it after a week, since a base that is only sitting on the surface can be tipped by a large fish, and a coral lying on its side is doing nothing for the scape.
In the box
Everything you need
- 1 silicone coral tree
How it works
Simple, from basket to doorstep
- 1
Browse
Shop by pet or category to find exactly what your cat or dog needs, no wading through thousands of listings.
- 2
Order
Check out securely with card, PayPal or one-tap Apple Pay & Google Pay. Free delivery over £45.
- 3
Delivered
Fast, tracked dispatch straight to your door, and a happier pet before you know it.
The details
Specifications
- Size
- 13 x 10 x 13 cm
- Weight
- 108 g
- Material
- Silicone on a weighted base
- Colours
- Six
- Suits
- Freshwater and marine
Good questions
Before you buy
Yes. Inert silicone does not leach and holds up in saltwater. Rinse it in tank water before it goes in.
The base is weighted and sits in gravel. In a strong outflow it will lean, which is the intended effect rather than a fault.
Slowly under strong lighting, as all artificial decor does. Expect it to soften in tone over a year or two rather than stay showroom bright.
Yes, silicone is inert in both fresh and salt water. Rinse salt creep off it during maintenance the same as anything else in a marine setup.
The base is weighted and holds well once pushed into the substrate until covered. A base sitting on the surface can be tipped by a large fish, so bury it properly.
Slowly, over years under aquarium lighting. Keeping the tank out of direct sunlight is what makes the difference, since sun fades far faster than a lamp on a timer.
Last reviewed 30 August 2026