Colorado Aquarium Society

Upcoming Events

  • CAS General Meeting
    Bethany Lutheran Church
    Aug 06, 7:00 PM
    Bethany Lutheran Church, 4500 E Hampden Ave, Cherry Hills Village, CO 80113, USA
    Lili Hwang has kept many species from beginner fish, cichlids, tiny livebearers, invertebrates, and amphibians. This presentation aims to explore the relationship between fish and people outside of the hobby and in various scientific fields that prove that fish are critically important.
  • CAS Board Meeting
    Microsoft Teams
    Jul 30, 7:00 PM
    Microsoft Teams


Our new 2021 T-Shirt design is NOW available. Check out our store at the link above.

We are starting up in person meetings again in August!  So Stay Tuned! 


While there was no Spring Auction, we do have the Fall Auction reserved with the date set for October 16th, 2021.



The Colorado Aquarium Society, established in 1947, is an open group for aquarists to share their interest in all facets of the aquarium hobby. Our members consist of advanced expert hobbyists as well as beginners and all levels between. Our monthly meetings are open to the public and everyone is welcome!


Visit US

Visit us in person, 1st Friday of the Month, 7pm

Bethany Lutheran Church
4500 E. Hampden Ave
Cherry Hills Village, CO 80113

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Contact US

We'll be in touch soon. Thanks!