Betta fish are natural show-offs. With the right tank setup, a single Betta can look like the star of a miniature world. This page showcases 11 themed Betta fish tank setup ideas, each designed to inspire a unique look — and each one easily recreated using a Betta-sized background and a few simple decor elements.
Use this guide as inspiration, or jump straight to the style that fits your Betta’s personality best.
1. Under the Rice Paddies
Soft greens, shallow-water tones, and peaceful rural scenery make this setup calm and elegant. Inspired by Southeast Asian landscapes, this theme pairs beautifully with live or silk plants and minimal hardscape — perfect for Bettas that love a natural, uncluttered environment.
Best for: Serene, nature-inspired Betta tanks
2. Re-Create a World-Finalist Aquascape for Your Betta
You don’t need a competition tank to capture aquascaping magic. This setup mimics award-winning layouts using dramatic depth, lush planting visuals, and strong focal points — scaled down for a Betta-friendly tank.
Best for: High-impact “wow” tanks without the complexity
3. Betta Fish Castle
Turn your Betta into royalty. Castle themes add fantasy, drama, and structure to a tank, especially when paired with stone textures, arches, or soft lighting. Bettas love exploring nooks, making this both decorative and functional.
Best for: Fantasy lovers and bold statement tanks
4. Betta Fish Minecraft Style Setup
Blocky textures, pixel-style landscapes, and bright colours make this setup instantly recognisable. It’s playful, fun, and hugely popular with younger audiences and gamers.
Best for: Fun, novelty Betta tanks with personality
5. Betta Fish Star Wars Style Setup
Galactic backdrops, moody lighting, and sci-fi scenery turn your Betta into a space explorer. Dark tones with glowing accents create a dramatic contrast that makes Betta colours pop.
Best for: Dark, cinematic aquarium themes
6. Betta Fish Pokémon Style Setup
Bright landscapes, whimsical scenery, and animated-style worlds bring a playful charm to Betta tanks. This theme works especially well with colourful Bettas and simple foreground decor.
Best for: Cute, cheerful Betta setups
7. Betta Fish Tank Super Mario Style Setup
Bold colours, fantasy landscapes, and iconic world styling make this theme energetic and eye-catching. It’s a standout choice for content creators and themed rooms.
Best for: High-contrast, attention-grabbing tanks
8. Betta Fish Tank SpongeBob SquarePants Style Setup
Bright underwater worlds and cartoon-style scenery create a lighthearted, fun aquarium. This setup works especially well in kids’ rooms or playful spaces.
Best for: Light, fun, and family-friendly aquariums
9. Betta Fish Tank Setup Zen Garden
Inspired by Japanese tranquility, this setup uses calm tones, minimalist design, and natural textures. The result is a peaceful tank that feels balanced and soothing — ideal for relaxation spaces.
Best for: Stress-free, minimalist Betta tanks
10. Betta Fish Tank Ancient Ruins
Weathered stone, forgotten temples, and overgrown ruins give this setup depth and mystery. It pairs beautifully with warm lighting and slow-moving Bettas.
Best for: Atmospheric, story-driven aquariums
11. Betta Fish Tank Setup Shipwreck
Sunken ships and underwater wrecks create instant drama and movement. This theme works well with darker substrates and subtle lighting to enhance the illusion of depth.
Best for: Adventurous, cinematic Betta tanks
Build Your Betta’s World
Each of these Betta fish tank setup ideas can be recreated easily using a Betta-sized background, a simple foreground ornament, and safe plants. As you explore each style, link through to the matching Betta fish tank background to bring the theme to life.
This page will continue to grow as more Betta setups are added — so check back often for new ideas.
