The Northwest Arkansas Aquarium Society is an organization formed to bring together the aquarist community in Northwest Arkansas and the Ozark region. Our members range from new hobbyists to long time breeders, and we keep a large variety of fishes.

Come to a meeting! Learn about fish and make friends with fellow hobbyists.

Make a donation

Our nwaas.com website is free for use by all aquarists, even those who are not members of our in-person club. Please consider donating to us to help defray the costs of maintaining the domain and server for everyone. The transaction is secure.

To join or renew membership, please use the "Join or Renew" button elsewhere on this page.

Latest members

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Support Your Local Pet Shop

NWAAS is extremely grateful to the local shops that let us post our meeting announcements in their stores. Support your local pet shop!

Seafari logo Seafari
Rogers, AR

Worlds Under Water logo Worlds Under Water
Fayetteville, AR

Petco Logo Petco
Fayetteville, AR

Rogers, AR

Petsmart Logo PetSmart
Fayetteville, AR

Rogers, AR

Quality Pet Supplies logo Quality Pet Supplies
Rogers, AR

Link to us

Please feel free to link to nwaas.com. Use the following HTML:

  • Next Meeting
  • Christmas Tree

    Christmas Party at
    Worlds Under Water!

    Food • Fish Talk • Fun

    December 10th, 2016
    6:30 PM Central

    There’s something fishy going on at the December meeting. It’s the NWAAS Christmas party, hosted by Worlds Under Water in Fayetteville. NOTE: We will not be meeting at our usual location this month!

    Food: Don’t bother eating before the meeting. We’ll have plenty of food and beverages on hand. It is a party, after all. Feel free to bring desserts, side dishes, or snacks to share.

    Fish: Nothing goes with a hot party like cool fish. There will be no formal program for this meeting, but Worlds Under Water has plenty of fish and they are offering discounts and door prizes.

    People: There will be plenty of time to socialize. Chat with other members about fish, family, or whatever. It’s a great chance to make friends and learn about our many new members.

    WUW logo

    Worlds Under Water
    2115 Main Dr., Suite F
    Fayetteville, AR 72704
    (479) 521-7258
    Click HERE for map.

    Christmas Stocking

  • Election Results
  • New Officers for 2017

    Congratulations to the winners of the 2017 NWAAS election! This will be the new officer slate for the upcoming year:
    Clapping Hands


    Vice President:



    Michael Gaines

    Corey Mohrhauser

    Ashley Lester

    Will Weber

  • Featured Critter
  • Marbled Crayfish (Procambarus spp.)

    Marbled Crayfish

    Vital Statistics




    Origin: unknown, probably southern United States

    Size: 4.5 inches total length

    Temperament: relatively peaceful, but may catch small fishes

    Sociability: keep singly or in groups

    Breeding: parthenogenic; i.e. self-cloning

    Sexing: all females; no males

    Diet: primarily herbivorous omnivore

    Water Chemistry: pH 6.0–8.0; dH 5–19

    Temperature: 72–78°F


    The marbled crayfish was first discovered in aquariums in Germany. You may also see this animal sold as marmorkrebs, which is the German word for “marbled crab.” The species is unknown, but DNA testing suggests that it is most likely a form of Procambarus alleni, the Florida crayfish commonly sold in stores. A blue version of P. alleni is most often sold in stores, and some marbled crayfish display a fair amount of blue coloration, too.

    The marbled crayfish is very unusual in that it is parthenogenic, which means self-cloning. All known specimens are females and you only need one to get babies. They produce eggs that develop into clones of the mother. The crayfish can be quite prolific, producing up to 200 eggs every week and a half! NEVER EVER RELEASE YOUR MARBLED CRAYFISH INTO THE WILD! It only takes one to develop a population that can crowd out the local species!

Join the Club or Renew Membership (Pay Dues)

The Northwest Arkansas Aquarium Society is not just a free online forum. We are a REAL aquarium society! We meet in person every month to talk about fish.

Click HERE to view the benefits and details of NWAAS membership. New members can use that page to join our society. Existing members can use it to renew membership.
Join the Club or
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