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Aquatic Show

Aquarium hobbyists come from as far away as Canada to display dozens of different varieties of their favorite fish.

After over 300 fish in 49 categories were entered in 2022's show, the Keystone Clash 2023 fish show promises to have many amazing fish to see.  You're bound to see spectacular fish you've never seen before.  The winners are immortalized in the Hall of Fame.  Any hobbyist can enter their fish in our competition.

Hall of Fame

Are you a hobbyist?  You can show your fish off too!

*Number of Entries Updated 9/17 with final count

2023 Fish Show Registration has not opened yet. 

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The rules are spelled out below.

Sponsor a Class

Support the show by donating to the Clash and enjoy the perks of being a donor.

Example Photo
Class Number
Class Name
Number of Entries
New World Dwarf Cichlids (Bioteocus, Crenicara, Discrossus...)
New World Dwarf Cichlids (Apistogramma & Apistogrammoides)
South American Cichlids (6 Inches and Under)
South American Cichlids (Over 6 Inches)
Central American Cichlids (6 Inches and under)
Central American Cichlids (Over 6 Inches)
Hybrid Cichlids
Haplochromines (Victorian Basin)
Haplochromines (Malawi)
Peacock Cichlids (Wild Type)
Peacock Cichlids (Hybrid/Domestic)
All Mbuna
Tanganyikan (Shelldwellers)
Tanganyikan (All Others)
All Other Old World Cichlids (Mouthbrooders)
All Other Old World Cichlids (Substrate Spawners)
New World Killifish
All Other Killifish
Male Guppies
Xiphophorus sp. (Domestic)
Xiphophorus sp. (Wild Type)
Mollies (Domestic and Wild Type)
All Other Livebearing Fish
Corydoras & Related Species
Suckermouth Catfish
All Other Catfish & Bottom Dwellers
Male Betta Splendens
All Other Betta Species
All Other Anabantoids
Minnows, Danios, Rasboras
Goldfish w/ Head Growth
Goldfish w/o Head Growth
All Other Freshwater Fish
All Freshwater Invertebrates
All other Aquatic Animals
Aquatic Plants
All Saltwater
Arts & Crafts (Aquatic Related)
Photography (Aquatic Subject)

Fish Show Rules

   Entry Fees 

  1. Preregistration of your entries is greatly appreciated and guarantees your space at the show. Preregistration ends at midnight on Friday, September 16, 2022. Both entry fees and show forms must be submitted no later than this date. Entries for the show will not be accepted after this time. No walk in’s. All checks are to be made payable to the Aquarium Club of Lancaster County in US funds or shall be paid via PayPal - see convention website for details at

  2. Entry fee is $3 per entry.

  3. Entry fees are not refundable. 

  4. All entrants will be asked to declare one club as their home club for the purpose of the Club Keystone Challenge Championship. You must be a paid member of that club at the time of the show (September 23-25, 2022)


Show Exhibitor's and Entries Qualifications 

  1. All classes are open to any aquarist - neither CCY nor ACLC membership is required.  

  2. There is no limit to the number of entries per exhibitor. 

  3. No exhibit will be entered in more than one class. 

  4. Only ONE entry is permitted in each tank except for killifish.  Entries must be in male/female pairs 

  5. For all classes, entries shall be as described with their scientific name with the corresponding class number annotated.

  6. If entrant is not present, they must have someone to tend to their entries. Neither the ACLC nor the CCY will be able to set-up.  Killifish mail-in entries will be handled by KKG/CAKC staff.


Show Rules 

  1. Pre-registered entries may be registered and submitted during the event until 9:00 AM on September 24, 2021. 

  2. All exhibits must be set up on either Friday September 23, between 12:00 PM and 11:00 PM or on Saturday, September 24 between 7:00 AM and 9:00 AM. 

  3. Tampering with any exhibit other than that which belongs to oneself is strictly forbidden. If an entry needs attention or needs to be moved for any reason, please inform a member of the Show Committee and they will attend to the situation. 

  4. No extensions or early teardowns without prior permission of the Show Committee. 

  5. All exhibits will be under the full control of the Show Committee while in the show, they must remain there for the duration of the show. 

  6. All entries shall be removed from the show area between 10:00 PM September 24 and 10:00 AM September 25. Items not claimed by 10 AM on September 25 will become the property of the ACLC and CCY and will be placed in the auction. 

  7. Neither the Holiday Inn, Cichlid Club of York, nor Aquarium Club of Lancaster County will be held responsible for any loss or damage incurred during the show. 

  8. Exhibitors do have a responsibility to be careful with water and should take care not to spill. 

  9. Exhibitors may choose to have their exhibits auctioned. The exhibitor is responsible to be sure that those fish are bagged and properly labeled after judging is completed, as well as being registered for the auction according to the auction rules.

  10. Filtered and treated water will be provided.  Hotel water has been measured and the complete report is available on the Clash website.

  11. For the Photography Class, photos of photographs are not allowed. All prints must be of a living animal. All entries must have been taken by the exhibitor. Digital prints should be as close to the original image as possible, (non-manipulated). These are photographic images that haven’t been wildly altered from the originals with software tools (like Photoshop, In-design, Illustrator etc.), prior to printing or scanning. Exhibitors may use these computers editing tools to adjust for contrast, exposure, cropping and other traditional adjustments that could be obtained through a traditional darkroom process. Only basic image corrections such as sharpening, saturation, cropping, color balance and removal of dust, scratches or water spots are allowed. All photos should be at least 5”x7” or larger. Title of print or fish identification should be clearly marked on the back of the image or mount. Nothing should be on the photograph though that would identify the photographer. It is suggested that the prints be mounted on stiff backing or matted but this is not required.

  12. Arts and Crafts Class Rules:  All entries in this class must be aquatic related and be original work of the exhibitor



  1. Containers: All non-photography/arts & crafts entries will be displayed in flat-sided containers. All containers shall be bare. Plants or decorations are not allowed. For Class 46 (Aquatic Plants), plants such as ferns or moss are permitted to be attached to rock or wood. ACLC and CCY will have a limited supply of containers for pre-registered travelers which must be requested during registration to be reserved. Please note on registration form how many you will need and what size (20T, 10, or 3). 

  2. Air: the show committee will provide air to within four feet of all exhibits. Exhibitors are to supply their own air stones. Sponges are optional. There will be no open-air lines. 

  3. Stands: Tables will be provided for all exhibits 3 gallons to 10 gallons. Exhibits over 10 gallons will require their own stands. Exhibits are not permitted to sit on the floor. 

  4. Lighting: No lights or reflectors are permitted. 

  5. Covers: All exhibits are to have full covers of the exhibitor's choice for the protection of the specimen(s) being displayed.  Covers will be provided by the Clash ONLY for 3 gallon entries

  6. Heaters: The show area is normally maintained at a minimum of 70 degrees. Heaters are not permitted except for the discus class.  Entrants must bring their own heaters for the discus class.




  1. Judging will take place on Saturday morning, September 24, 2022 beginning at 9:00 AM. 

  2. There will be awards for 1st, 2nd and 3rd place in each class. Decisions of the judges are final and are not subject to appeal. 

  3. Classification and size of fishes to be determined by references chosen by the show committee. 

  4. Photography class: Judging will be based on art, technical skill, and the ability of the Judge to identify the subject(s). 

  5. The CCY and ACLC reserve the right to combine or split classes as deemed necessary to provide a competitive show.

  6. Judges shall move entries into the correct class if the entry is not properly classified. Being entered in the wrong class is not justification for disqualification of an entry.

  7. Judges may disqualify entries for deformities, disease, injury or other health conditions. 


Keystone Clash Killifish Mail-in Show Entry Instructions

Show registration for mail-in killifish is FREE.

Mail-in show entries MUST be auctioned (70/30 split), but if the bag doesn't fetch the $10 minimum bid, the next closest bid will be accepted.  The auction is managed by MyGroupAuctions, so all mail-in entries must ALSO be registered with under the Keystone Clash group. At the time of entering killi’s on MyGroupAuctions, you must enter the killi as a $10 minimum.

Mail-in show fish are registered as follows:

  1. Register fish for the show at the Keystone Clash website.

  2. In parallel, register your mail-in show fish for the Keystone Clash auction at  This site provides online help for the required processes of a) registering the entrant, b) joining a group (Aquarium Club of Lancaster County), and c) adding items to an auction (Keystone Clash 2021).  If you are already registered with MyGroupAuctions, only steps b and c are necessary.

  3. Ship your entries to the show venue, below.  All mail-ins must arrive on Thursday 22 Sept. or Friday 23 Sept.  Include a copy of your Clash Fish Entry Form and your MyGroupAuctions list including lot numbers, and a phone number.  The latter can be printed from the MyGroupAuctions website.  Bagged fish should be identified with the associated MyGroupAuctions lot number.  Lists should be secured in a separate plastic bag or laminated to prevent damage due to any water leaks.


Holiday Inn

Keystone Clash Event

6170 Morgantown Road

Morgantown PA 19543

HOLD for: Joel Antkowiak


Clash killi staff will take it from there.

The rules will be updated for 2023, but here are the rules for 2022.

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