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Colorado Aquarium Society

Upcoming Events

  • Fri, Apr 10
    Hope United Methodist Church
    Apr 10, 2026, 7:00 PM – 8:00 PM MDT
    Hope United Methodist Church, 5101 S Dayton St, Greenwood Village, CO 80111, USA
    Presentation: TBA Presenter: Rob Mougey
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Announcements 

April general meeting is coming up

​​

April meeting is Friday 4/10 @ 7 PM, venue is at the usual place

Hope United Methodist Church - Fellowhsip Hall

5101 S Dayton St, Greenwood Village,CO 80111


This will be the first of two special combined meeting with Rocky Mountain Cichlid Association this year.  The other combined meeting will be in September.

Originally scheduled as a salt-water related meeting, we took a left turn and instead we will feature Kevin Fehringer of RMCA to talk about their growth contest fish this time; and surprise surprise the RMCA growth contest fish will be open to CAS members as well.  So come and find out what it is and we will also talk about the upcoming Spring auction scheduled for Saturday 4/18.

- Mini Auction -

The second half of our regular meeting will feature a mini-auction.

Sellers are limited to 5 items of anything related to the hobby.

Sellers will split auction proceeds 50-50 with the Club.

Club member sellers enjoy an 80-20 split.

note: the auction website is down so just bring your items and staff will take care of the registering for the auction

- Save the Date -

Upcoming CAS Spring Auction is Saturday 4/18

- New Membership Year -

 

New years day is the start of a new membership year.

Join and support Colorado Aquarium Society as a paid member

here or in person at the meeting.

Our membership period runs with the calendar year for only $20
so show your support by being a member of CAS for 2026

     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)

- Bowl Show -

- April Bowl Show -​

  1. African rift lake cichlids. Those Cichlids that are endemic to the African rift lakes (Malawi, Tanganyika, Victoria, etc.) Examples: Cobalt and Red zebra, blue dolphin, frontosa, electric blue, electric yellow, Mbuna, Pseudotropheus, Tropheus, Labeotropheus, Metriaclima, Nimbochromis, Neolamprologus, Lamprologus, Julidochromis, Tropheus, Cynotilapia, Cyphotilapia, Eretmodus, Cyrtocara, Sciaenochromis, etc.
    Shown in pairs with a divider, if needed.
    Fish over eight inches long may be shown as singles.

  2. All Other Non-Fish Aquarium Animals. Amphibians (frogs, newts, salamanders), Lizards, Turtles, snails, corals, anemones, Echinoderms and any other form of aquatic or semi-aquatic life that is not a fish. This includes freshwater and marine invertebrates except freshwater shrimp.
    Shown as singles.

  3. Open Class

 

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

- 2026 Meeting Dates -

Here are the dates of CAS events for 2026.  So please reserve these days to
fulfill your aquatic appetite:

1/9         Second Friday of the month.  Meeting postponed a week
              due to first Friday is the day after New Year’s Day.

2/6         Friday, regular meeting

3/6         Friday, regular meeting (cancelled due to adverse weather)

4/10       Second Friday of the month.  Meeting postponed a week 
              due to first Friday is Good Frioday.

4/18       Saturday, Spring auction

5/1         Friday, regular meeting

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

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ABOUT US

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!

Contact

Visit US

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

Hope United Methodist Church
5101 South Dayton Street
Greenwood Village, CO 80111

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We'll be in touch soon. Thanks!

© Colorado Aquarium Society

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