Description
Guarded by a Snapping Reef Enforcer
This Pistol Shrimp aquarium metal sign is made for reef keepers who know that the loudest creature in the tank is often the smallest. Featuring a bold WARNING-style layout, this aluminum sign adds humor and personality to saltwater aquariums, nano reef setups, and dedicated fish room spaces. If you’ve ever heard that unmistakable clicking snap and immediately known who was responsible, this novelty reef sign belongs in your setup.
Designed for saltwater hobbyists who appreciate tank humor, this durable metal warning sign makes a unique aquarist gift and a standout addition to aquarium stands, reef corners, and maintenance areas. It blends classic security-style design with reef tank personality.
ABOUT THIS METAL SIGN
• Premium aluminum metal construction
• UV-protected finish to resist fading
• Rustproof and weather-resistant for indoor or covered outdoor use
• Available in Clean (modern) or Distressed (vintage-style) finish
• Rectangular format includes pre-drilled mounting holes
• Square options available without holes
• Sizes available: 9x12, 12x18, 16x24 inches (rectangular)
• Sizes available: 6x6, 8x8, 12x12 inches (square)
• Made to order in Henniker, New Hampshire, USA
PERFECT FOR
• Saltwater reef tanks and nano reef setups
• Fish rooms and aquarium maintenance areas
• Reef hobbyists who keep snapping shrimp
• Unique aquarist gifts
• Aquarium wall decor with personality
FREQUENTLY ASKED QUESTIONS
Is this metal sign suitable for humid fish rooms?
Yes. The rustproof aluminum and UV-protective coating make it suitable for aquarium environments with higher humidity.
Does the sign include mounting holes?
Rectangular sizes include pre-drilled holes for easy hanging. Square versions are available without holes.
What finish options are available?
You can choose between a clean, crisp modern finish or a distressed vintage-style look.
Is this a good gift for reef keepers?
Absolutely. It makes a funny and thoughtful gift for saltwater hobbyists and nano reef enthusiasts.
COMPLETE YOUR AQUARIUM WARNING SIGN COLLECTION
Pair this reef-themed metal sign with other aquatic designs like the Goby Fish Aquarium Metal Sign, Pistol Shrimp Aquarium Metal Sign, or Electric Eel Reef Metal Sign to create a cohesive and bold aquarium display. Explore the full Tanks and Exotic Pets collection to find the perfect tank-ready metal sign for your fish room or reef setup.
Designed and made in the USA by Designs by Linda Nee
© Designs by Linda Nee LLC
Payment & Security
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Products & Quality
Our metal signs are made from durable aluminum, designed to be lightweight, vibrant, and long-lasting.
Our art prints are available either on aluminum metal or on archival-quality art paper, depending on the product you choose.
Our greeting cards are professionally printed on premium Red River linen textured cardstock, giving them a beautiful, high-quality feel.
For other items such as gifts and accessories, we use carefully selected materials designed for both beauty and everyday durability. Product pages include specific details about each item.
Yes, our aluminum metal signs are durable and suitable for outdoor use, as aluminum is rust-resistant and made to handle different weather conditions.
Products like tumblers, compact mirrors, necklaces, and keychains are made from durable materials designed for everyday use.
However, art prints on archival paper and greeting cards are intended for indoor use to preserve their quality and appearance.
Our products are designed to be both beautiful and easy to care for.
Metal signs and metal art prints can be displayed indoors or outdoors and can be gently cleaned with a soft cloth if needed. Our metal signs (9×12, 12×18, 16×24, 3×12, 6×24, and 4×18) come with pre-drilled holes for easy hanging. Metal art prints include Command™ strips for simple, damage-free wall mounting.
Art prints on archival paper are best displayed indoors and ideally framed to help protect them over time.
Items such as tumblers, compact mirrors, necklaces, keychains, mousepads, coasters, and Christmas ornaments are designed for everyday use and can be gently cleaned with a soft cloth. For best results, we recommend hand washing tumblers rather than using a dishwasher to help preserve the design and finish.
Shipping & Returns
We typically process and ship orders within 1–2 business days. Once your order is shipped, delivery time depends on the shipping carrier and your location within the United States.
We ship Monday through Friday (business days only). During busy seasons such as holidays, processing and delivery times may take slightly longer due to higher shipping volumes.
If you need your order by a specific date, please contact us through our Contact Us page before placing your order so we can check available expedited shipping options.
Yes! We offer free shipping on all U.S. orders over $50, including Alaska and Hawaii.
For orders under $50, we offer a flat rate shipping of $5.95 anywhere in the United States.
Free and flat rate shipping do not apply to APO/FPO or international orders, where shipping rates are calculated at checkout.
We accept returns or exchanges within 30 days of delivery for non-personalized items.
Items must be unused and in their original packaging, and refunds are issued after we receive and inspect the return. Please note that return shipping costs are the customer’s responsibility, and original shipping fees are non-refundable.
Because many of our products are made just for you, custom or personalized items cannot be returned or exchanged unless they arrive damaged or defective.
Custom Orders & Personalization
Yes! Many of our products offer personalization options, such as adding a name, custom text, or special details depending on the item.
If a product can be personalized, you’ll see a personalization field on the product page where you can enter your custom details before adding the item to your cart.
If you would like custom text on a design that doesn’t offer personalization, or if you have your own design you’d like us to print, please contact us and we’ll do our best to help.
Yes! We’re happy to work with businesses, organizations, and events that need bulk orders.
If you’re interested in ordering multiple items, custom designs, or branded products, please contact us with the details of your request and we’ll be glad to discuss the options.
Still have questions?
If you didn’t find the answer you were looking for, feel free to reach out. We’re always happy to help with product details, customization requests, or order questions.
Contact us and we’ll get back to you as soon as possible.







