Description
Tiny fish, synchronized attitude
This neon tetra aquarium warning sign adds bold personality and humor to your tank setup with a “highly trained” concept inspired by one of the most iconic freshwater fish. Known for their bright neon stripes and synchronized schooling behavior, neon tetras may be small but create a striking presence—and this metal sign captures that energy perfectly. Ideal for aquariums, fish rooms, tank stands, or office spaces, it brings a playful, eye-catching detail that reflects your love for vibrant community tanks while turning real fish behavior into fun, personality-driven decor. Crafted from durable aluminum and printed with high-quality inks, this sign offers a weather-resistant, fade-proof finish for long-lasting indoor or outdoor display. Each piece is made in our Henniker, New Hampshire studio, combining premium quality with a distinctive aquarium-themed design.
Product Details
Neon tetra aquarium warning metal sign with humorous “highly trained” concept
Made from premium aluminum that is rustproof, UV-protected, and weather-resistant
Designed for aquariums, fish rooms, tank stands, offices, and hobby spaces
Bold, high-contrast warning style with a clean, vintage-inspired look
Rectangular signs include pre-drilled holes for easy mounting
Square signs available without holes for flexible placement and styling
Rectangular sizes: 9x12, 12x18, 16x24 inches
Square sizes: 6x6, 8x8, 12x12 inches
Printed directly onto metal (no vinyl or decals) for long-term durability
Smooth, high-quality finish with crisp, easy-to-read typography
Designed and printed in Henniker, New Hampshire, USA
Built for everyday display with strong visual impact and long-lasting color
Production & Shipping
Made to order in our New Hampshire studio with careful attention to detail
Each sign is inspected to ensure consistent print quality and durability before shipping
Securely packaged in protective materials to prevent bending, scratching, or damage
Processing time typically 1–2 business days before shipment
Ships from Henniker, New Hampshire, USA with reliable and tracked carriers
Free US shipping on orders over $50
Tracking information provided with every order for full delivery visibility and peace of mind
Perfect For
Neon tetra owners, freshwater aquarium hobbyists, and community tank keepers
Fish rooms, tank setups, offices, and aquarium display areas with personality
Funny gifts for aquarists, fish lovers, and niche hobby enthusiasts
Adding humor, color, and character to freshwater aquarium decor
Anyone who enjoys lively, coordinated tank aesthetics with a unique twist
Complete Your Collection
Copyright © Designs by Linda Nee LLC, 2006–Present. All designs are protected. Unauthorized reproduction or resale is prohibited.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
You may also like
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.