Colorado Aquarium Society

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Our Next Monthly Meeting is Friday, June 5 

​​​Meetings are free and open to the public.

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Join us at 7:00 pm to hear Matt Procter share about his success keeping and breeding freshwater pufferfish. This is sure to be interesting! Come prepared with your questions.

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Summer is a-comin', so let's begin June by hanging out with fishy people.

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Hope United Methodist Church - Fellowship Hall

5101 S Dayton St, Greenwood Village,CO 80111

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Note: Our auction website is still under revision. If you have items you want to sell, please come prepared with a pre-written list.

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- Become a CAS Member -

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Support Colorado Aquarium Society as a paid member for only $20.

Join online or in person at a meeting. Annual memberships coincide with the calendar year, so show your support by becoming a member today!

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     Benefits include:

•  option to participate in the bowl show

•  eligible to participate in the growth contest

•  eligible for equipment loaner program

•  improved seller splits on auction sales

See the CAS Handbook for additional member benefits.
 

     You may join CAS as a paid member up until the start of auction

     and be eligible for the 80-20 member split. (non-member split is 50-50)

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- Bowl Show -

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- May Bowl Show -​

1.  Killifish. All Killifish (including natives) shown in pairs.

2.  Bristle nose plecos, generally these will be cultivars of Ancistrus spp.

3.  Open Class 

 

Bowl Show participants please arrive early to setup your tanks/bowls and fill out necessary paperwork for your entry

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- 2026 Meeting Dates -

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Mark your calendar to reserve these CAS 2026 event days to
fulfill your aquatic appetite:

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6/5         Friday, regular meeting

7/18       Saturday, Summer social

8/7         Friday, regular meeting

9/11       Second Friday of the month.  Meeting postponed a week
              due to first Friday is the Labor Day weekend.

10/2       Friday, regular meeting

10/17     Saturday, Fall auction

11/6       Friday, regular meeting

12/4       Friday, Holiday dinner party​​