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Fish/
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Aquarium Ornaments

Aquarium Ornaments

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49 - 96 of 146 results

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Imagitarium Shipwreck Back Aquarium Decor
(0) reviews
$24.99
GloFish Castle Ornament Colorful Aquarium Decor
(10) reviews
$12.49
Penn Plax Madison Bridge
(2) reviews
$48.99
Imagitarium Yellow Submarine Aquatic Decor
(19) reviews
$14.99

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Imagitarium Resin Dragon Aquatic Decor
(24) reviews
$5.99
Penn Plax Natural Rock
(2) reviews
$40.99
Imagitarium The Fungi House Aquarium Decor
(2) reviews
$14.99
Penn Plax SpongeBob Sandy Aquarium Ornament
(7) reviews
$8.99

Penn Plax The Little Mermaid Ariel on Rock Aquarium Ornament
(7) reviews
$14.99
Penn Plax Assorted Holiday Aquarium Decor Bundle 2
(0) reviews
$14.99
Penn Plax Lighthouse Aquarium Ornament
(14) reviews
$19.99
Imagitarium Aqua Castle Aquarium Decor
(1) reviews
$9.99
Penn Plax Sunken Treasure Ship
(1) reviews
$47.99
Imagitarium Flower Power House Aquarium Decor
(4) reviews
$14.99
Imagitarium Aquatic Decor No Fishing Sign
(10) reviews
$5.99
Imagitarium No Fishing Sign Aquatic Decor
(13) reviews
$4.99
Imagitarium Fairytale House Decor
(10) reviews
$10.99
Blue Ribbon Small Triceratops Skull Aquarium Ornament
(34) reviews
$14.99
Zoo Med Steve Fishing Boy Hanging Aquarium Ornament
(3) reviews
$8.99
+ More Choices Available
Blue Ribbon Texas Holey Rock Aquarium Ornament
(54) reviews
Imagitarium Resin Beach Sign Aquatic Decor
(13) reviews
$7.49
Imagitarium Sea Turtle and Coral Garden Aquarium Ornament
(13) reviews
$9.99
Blue Ribbon Pink Pixie Castle Aquarium Ornament
(10) reviews
$12.99
Imagitarium Lofty Red Castle Aquarium Ornament
(12) reviews
$9.99
Penn Plax Enchanted Castle Aquarium Ornament
(15) reviews
$19.99
Zoo Med Bathing Beauty Missy on Dolphin Aquarium Ornament
(3) reviews
$8.99
Zoo Med Bathing Beauty Shawna on Turtle Aquarium Ornament
(4) reviews
$8.99
Blue Ribbon Skull Mountain Medium Aquarium Ornament
(25) reviews
$19.99
Blue Ribbon Nile Crocodile Skull Aquarium Ornament
(17) reviews
$9.99
Blue Ribbon Small Life-Like Human Skull Aquarium Ornament
(22) reviews
$17.99
RockGarden Resin Aquarium Bonsai Tower
(28) reviews
$17.99
RockGarden Resin Driftwood Pinnacle with Plants
(45) reviews
$16.99
RockGarden Resin Wood Arch with Plants
(13) reviews
$34.99
Blue Ribbon Thai Buddha Head Aquarium Ornament
(29) reviews
$9.99
Blue Ribbon Zen Girl with Plants Aquarium Ornament
(23) reviews
$14.99
Imagitarium Aquatic Decor Pirates Cove Sign
(4) reviews
$9.99
Imagitarium Back Shipwreck Ornament
(9) reviews
$24.99
Imagitarium Coral Garden Ornament
(6) reviews
$19.99
+ More Choices Available
Imagitarium Resin Lantern Aquatic Decor
(26) reviews
Imagitarium Pirate Skull with Bandana Aquatic Decor
(2) reviews
$12.99

Imagitarium Resin Ruins with Faces Aquatic Decor
(13) reviews
$24.99
Imagitarium Resin Horizontal Ficus Roots Aquatic Decor
(29) reviews
$39.99
Penn Plax Hank on Sand for Goldfish
(1) reviews
$4.99
Penn Plax SpongeBob Squarepants Aquatic Ornament
(14) reviews
$8.99
Penn Plax SpongeBob Squidward with Drum Aquarium Ornament
(4) reviews
$8.99
Penn Plax SpongeBob Gary Aquarium Ornament
(9) reviews
N/A
Penn Plax Striped Pirate Ship
(1) reviews
$216.99
Imagitarium Primate Skull Decor
(1) reviews
$14.99

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Related Articles & Questions

Home & Habitat
Aquarium Hardscape: The Complete Setup Guide
Discover how to hardscape your aquarium here at Petco. Visit Petco and check out aquarium hardscape ideas, solutions and much more for your fish.
Updated on July 17th, 2026
Home & Habitat
Freshwater Aquarium Plant Maintenance Guide
Learn how to pick the right aquarium plants, substrate, lighting, and fertilizers to ensure that your aquarium plants thrive and stay healthy.
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Care Sheets
Master Aquatic Plant Care: Lush Aquarium Plants & Happy Fish
Tanks with live plants can be excellent additions to your home, bringing a touch of nature indoors. Learn how to take care of aquatic plants.
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Grow El Nino Asian Water Ferns: Easy Aquarium Care Guide
Shop Petco for low-maintenance aquarium decorations like the El Nino fern. We want to help decorate your aquarium to keep your fish happy and comfortable.
Updated on October 23rd, 2025
Food & Nutrition
What fish and supplies are best for a beginner's small tank?
Without anything to use for scale, it is hard for me to tell how big your tank is, but in general it seems very small. Also, the water that is in the tank appears very cloudy right now, so that would be the first place to start. Water quality is very important, and will make or break your ability to house and care for fish. I would recommend getting a good filter system (you can visit a local pet store to assist you with brands in your area, as I am not familiar with what you can get in India). Be sure to bring the measurements (height, length, width) of your tank, or the gallons or liters so they can tell you what capacity of filter you will need. Everything else will depend on what types of fish you get - if you plan on getting multiple fish, they will need to be small - a general rule of thumb is one square inch of fish per gallon of water. Depending on the species you get, you may need to also get a bubbler to ensure there is enough oxygen in the water for them, and you will also likely need to get some sort of substrate for the bottom and cage furniture (different species have different air requirements, and some are secretive and like to hide). You may also need a water heater, depending on the species you would like to house. But, depending on how small your tank is, it may be hard to get a water heater that will fit. The food type will also depend on what species you get, as there can be differences in diet type between species. I hope that gives you a place to start, and good luck!
Updated on September 24th, 2025
Vet Q & A
What is this aquarium plant? Is my fish tank setup safe and healthy?
Thanks for reaching out about your aquarium. Sorry not very good at botany but there should be tropical fish clubs that might help in identification. But comments about your tank. First, not sure if light penetration will be good for a plant that low in the water column. Secondly, the balanced rock formation looks tenuous, and might fall. Good luck.
Updated on September 24th, 2025
Vet Q & A
First fish tank: What Tetras and supplies for my 12-inch tank?
Before you buy any fish, you will need to set up the tank. A basic set up includes: a tank, filter, hood/light, heater, gravel and some decor. The tank should run without fish for at least 4 to 6 weeks. This gives it time to cycle. The Nitrogen Cycle is critical to the health of the tank and any fish you will be keeping. During this time, beneficial bacterial will populate the filter and substrate (gravel). These bacteria will be responsible for breaking down fish wastes and other wastes (uneaten food, dead plants, etc.). You will need a home test kit to monitor water chemistry (ammonia, nitrites, nitrates, pH) or you will have to submit water samples for testing. Most pet stores will do this for free or for a small fee. At first, you will see high levels of ammonia and nitrites. Over time, as bacteria grow, these levels will drop. When ammonia and nitrites are at 0 ppm and nitrates are below 20 ppm, you can consider adding fish. Regular (every 1 or 2 weeks) partial water changes as well as filter changes will be needed to maintain stable water chemistry and adequate water quality. The size of your tank will determine what fish and how many you will be able to keep. Most Tetras do best in groups, so a 12 inch tank may not be large enough. There are several article in the Petco Pet Education Center, formerly Petcoach Library that will provide more detailed information. Click on "Educational Center" at the top of the page, then scroll down to "Articles" and click. Use the Search Bar to find articles regarding aquarium set up and fish keeping.
Updated on September 24th, 2025
Vet Q & A
20-gallon tank setup: What fish and supplies do I need to get started?
A fish tank will need a filter, a light/hood and a heater. Make sure the filter is rated for at least twice the tank volume. The heater should be adjustable since water temperature will depend on the species of fish. Good "starter" fish include Tetras, Mollies, Danios or Tetras. A new tank should be set up and left running empty for several weeks before adding fish. A pinch of flake food can be sprinkled in daily. This "cycling" will allow a population of beneficial bacteria to colonize the tank and filter. These bacteria will break down wastes (ammonia, nitrites and nitrates) which are toxic to fish.
Updated on September 24th, 2025
Vet Q & A
My fish is laying on the fake plant and barely moving. What's wrong?
There are several causes that can provoke these signs fro water imbalances to specific diseases like swim bladder ones. This problem requires a quite radical but logic approach. Begin by submitting a water sample for quality testing. Most pet stores will do this for free or a nominal fee. High ammonia levels, PH imbalances may be responsible for that. Oxygen concentration and quality of the filters should be determined as well. If water quality is good and there are no major imbalances, your fish should get examined to look for any sign of bacterial/fungal infection and eventually water should be treated. Please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.
Updated on September 24th, 2025

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