Colorado Aquarium Society

Upcoming Events

  • CAS Online General Meeting
    Mar 05, 7:00 PM
    Dr. Leandro Sousa is an Ichthyologist and Professor of Biology at the Universidade Federal do Pará. He has been coordinating a Conservational Breeding Project of Xingu Endemic species at the University which mainly focuses on Hypancistrus zebra and other Loricariidae species.

Due to COVID-19 our Events and Meetings are online until further notice.


We have a Winner! Our new t-Shirt design is above and we thank Athena Sunsted for the brilliant design. Our 2021 T-shirts will be available after the New Year.

Colorado Aquarium Society will NOT be having any in person events or meetings for the rest of 2020, this includes our Fall Auction and Christmas Party.



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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