Holiday Decor & Toys for Fish Tank Fun

Deck the tank with festive fun using these holiday-safe decorations and toys that add sparkle, hideouts, and joy to every fish’s Christmas setup.

Author

Dale Harris
April 20, 2025

A festive aquarium features a miniature Christmas tree adorned with tiny glowing ornaments, surrounded by floating snowflakes and colorful fish in shades of orange, yellow, and blue swimming around. The tank includes resin gift boxes in red, blue, and yellow with bows, and a gingerbread hideout with white icing details. The scene is set on a snowy white substrate with small decorative elements, creating a whimsical underwater holiday atmosphere. The background showcases a blue gradient with additional snowflakes, enhancing the festive vibe.

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Why should land pets have all the seasonal fun? Fish and aquatic friends deserve a little holiday magic too—and these holiday decor & toys for fish tank fun are the perfect way to bring the festive spirit underwater. Whether you’re decking out a freshwater tank, a reef setup, or a betta bowl, these creative, aquarium-safe accessories turn any tank into a winter wonderland.

From themed decorations to interactive enrichment toys, these gifts add sparkle, play, and personality to any aquatic setup—keeping both fish and fishkeepers entertained all season long.

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1. Mini Christmas Tree Ornaments (Aquarium Safe)

Mini Christmas Tree Ornaments (Aquarium Safe) Alt text: A small resin Christmas tree wi

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Add a touch of holiday cheer to the substrate with tiny resin Christmas trees. Choose aquarium-safe decorations that won’t leach chemicals or damage your water balance. Bonus if they glow under tank lighting!

It’s the easiest way to say “Merry Fishmas.”

2. Holiday-Themed Betta Huts

Holiday-Themed Betta Huts Alt text: A peppermint-striped resin hut with a smooth opening placed in a betta tank, with a betta fish swimming nearby ready to explore.

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Betta fish love to hide and rest, and a festive Santa-shaped cave or peppermint-striped hut makes it seasonal and functional. Look for smooth, safe edges and materials that won’t snag delicate fins.

Cute and cozy—just how your betta likes it.

3. Santa’s Sleigh or Reindeer Figurines

Santa’s Sleigh or Reindeer Figurines Alt text: A resin Santa sleigh and reindeer figurine sitting on the tank floor, surrounded by festive gravel and small aquatic plants.

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Resin figurines shaped like Santa, sleighs, or reindeer can turn your aquarium into a magical North Pole scene. Just make sure they’re clearly labeled aquarium-safe and heavy enough to stay put.

Adds instant charm and makes your tank the centerpiece of your holiday décor.

4. Floating Christmas-Themed Toys

Floating Christmas-Themed Toys Alt text: A floating candy cane-shaped toy gently bobbing on the surface of a freshwater aquarium with tetras swimming underneath.

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Some aquarium toys are designed to float or bob at the surface. Find festive versions—like floating snowballs or candy canes—that your fish can interact with. Great for goldfish or curious tetras.

Interactive, colorful, and just the right amount of quirky.

5. Holiday LED Background Screens

Holiday LED Background Screens Alt text: A tank backed by a cling-on background of snowy mountains and candy canes, softly lit by the aquarium’s LED lighting.

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Give your aquarium a quick seasonal makeover with a holiday-themed LED background or static cling. Think snowy mountains, candy cane borders, or starry skies that shine through from behind the tank.

No mess, no stress—just holiday vibes in seconds.

6. Bubble-Producing Ornaments

Bubble-Producing Ornaments Alt text: A holiday-themed bubble ornament shaped like a snow globe, releasing streams of bubbles as fish swim through them.

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Bubble ornaments add motion and flair to your setup. Just attach them to your air pump, and you’ve got festive fizz and fun movement your fish will love to swim through.

Functional and eye-catching all in one.

7. Gravel Accents

Gravel Accents Alt text: A layer of red, green, and silver metallic gravel scattered on top of natural substrate, sparkling under tank lighting.

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Sprinkle a few red, green, or metallic accent pebbles on top of your regular substrate for a quick seasonal refresh. Aquarium-safe gravel blends or decorative gems can add sparkle without disrupting your ecosystem.

Think of it as underwater confetti.

8. Resin House Hideout

Resin House Hideout Alt text: A small resin holiday house with open windows and doors placed in the corner of the aquarium, with shrimp hiding inside.

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A cute house—but make it aquatic. These hideouts give fish a place to relax while doubling as the cutest decoration in the tank. Ideal for shy species like loaches, plecos, or shrimp.

Sweet, functional, and photogenic.

9. SpongeBob SquarePants Pineapple House

SpongeBob SquarePants Pineapple House Alt text: A detailed resin ornament of SpongeBob’s pineapple house placed on the gravel floor of a tropical-themed tank with fish swimming around it.

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Bring Bikini Bottom to your tank with the Penn-Plax SpongeBob SquarePants Pineapple House—an officially licensed aquarium ornament that’s as fun as it is functional. Perfect for fans of all ages, this vibrant, detailed decoration creates a playful underwater hideaway for your fish while adding a pop of nostalgia to your setup.

Great for both freshwater and saltwater tanks.

10. Aquarium-Safe Gift Box Caves

Aquarium-Safe Gift Box Caves Alt text: Small red and green resin gift box decorations with holes, arranged beneath a mini Christmas tree inside an aquarium.

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Tiny resin gift boxes with holes and tunnels add a playful hideout. Arrange them under a small holiday tree ornament for a full “underwater present pile” setup.

They’ll love exploring while you enjoy the view.

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Shop Holiday Decor & Toys for Fish Tank Fun

Fish tanks don’t have to miss out on the holiday spirit. These holiday decor & toys for fish tank fun bring festive energy to your aquatic world with safe, creative, and visually stunning pieces. Whether you're upgrading your tank’s look for the season or shopping for a fish lover in your life, these gifts make waves in all the best ways.

So go ahead—sprinkle some cheer into the water, snap a few holiday tank photos, and let the festivities begin… underwater style.

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