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World Wide Aquarium & Pets caters to the needs of the "Beginner and the Advanced Hobbyist." We are well-known for the expert advice available to our customers by our knowledgeable staff

What's New?

"Best of Delco" for 2010!!!

Bam's Parents donate to Delaware County SPCA. Find out more, click here!

Our most recent addition is a 5,000 gallon pond that will be a showpiece come spring for all the Pond enthusiasts. World Wide Aquarium & Pets is a unique place to shop for ALL your pet needs. When you come, plan on spending some time. We welcome you to browse and ask questions! Click Here to see it

Now Featuring Annamaet Food for Dogs & Cats More...

World Wide Aquarium & Pets 

is part of the history of Delaware County as well as the surrounding areas. Originally opened as a family business in the 1960's it has become famous for its extraordinary variety of marine life as well as an expansive inventory of supplies and equipment necessary to set up and maintain the necessary tank environments. Our showroom covers over 20,000 square feet. In addition, World Wide carries a complete inventory to meet ALL your pet needs. If you do not see what you want, PLEASE ask!

WORLD WIDE Aquarium & Pets in Upper Darby, Pa can bring beautiful custom tanks into your home or place of business. Our experienced team can turn simple into spectacular. And to ensure the everlasting beauty of your aquarium our staff will maintain the tank on a monthly basis. Give us a call or stop by to discuss the many options available to our clients.

Did you know that?

Did You Know?
1.   Aquariums are soothing to people sitting in a doctor's waiting room.
2.   Aquariums have been proven to elicit calmness among the Alzheimer's population.
3.   Aquariums are wonderful educational tools for children of all ages.

World Wide apecializes in exotic fish, unusual small animals, birds, reptiles, and adorable kittens. We also have a phenomenal NEW reptile room.


World Wide Aquarium & Pets can now be found on Facebook and Twitter.


"I'd like to say that I have been in your pet store twice and I treat it like Heaven, because I love animals. Also, because I want a kitten and I'm getting one soon enough. But your store is just amazing, the workers are so nice and it is so clean and you care for the animals. Their cages are so clean and I absoloutely love the cat that lives there. I just see him/her? sleeping on the shelves, I really get a kick out of the cat. Well, thank you for taking the time to read this comment." - Bridget. 

Marineland is the world's leading brand of innovative equipment and environments for consumers wishing to create the ultimate aquatic showcase. Visit