Description
The Quiet Patrol of the Aquarium Floor
This Highly Trained Corydoras Warning Sign adds humor and personality to aquarium decor for hobbyists who know that the smallest fish often run the tank. Printed on durable aluminum with a bold warning-style design, this funny aquarium metal sign is perfect for fish rooms, aquariums, offices, garages, or hobby spaces where dedicated fish keepers gather.
Most aquarium visitors assume the tank is peaceful. Gentle plants sway, bubbles rise quietly, and colorful fish glide through the water. What they often miss is the small patrol unit sweeping the substrate — a Highly Trained Corydoras Catfish carefully inspecting the entire aquarium floor.
Nothing escapes their attention. A stray food pellet gets investigated, a suspicious pebble is examined, and curious faces peering through the glass are noted immediately. Corydoras may be small, but experienced aquarists know these energetic catfish move with the confidence of creatures that believe they supervise the whole aquarium.
Native to freshwater rivers and floodplains across South America, Corydoras catfish are beloved among fish keepers for their curious personalities and constant activity. They spend much of their day exploring the substrate with their sensitive barbels and often move together in small groups, creating the feeling of a synchronized patrol team.
ABOUT OUR SIGNS
• Printed on premium aluminum metal designed for durability and long-lasting color
• UV-protected, rust-resistant, and suitable for indoor or outdoor display
• Rectangular signs include 2 pre-drilled holes for easy hanging
• Square versions available without holes for flexible display options
• Bold vintage-style warning layout with crisp high-resolution printing
• Available in Clean or Distressed finishes
Available Sizes
Rectangular (with mounting holes)
• 9×12 inches
• 12×18 inches
• 16×24 inches
Square (no holes)
• 6×6 inches
• 8×8 inches
• 12×12 inches
Each sign is made to order in Henniker, New Hampshire, USA.
CORYDORAS FACTS
• Corydoras catfish are native to freshwater rivers of South America
• Recognized by their whisker-like barbels used to detect food in the substrate
• Highly social fish that thrive in groups
• Known for sudden surface “zoomies” to gulp air
• One of the most beloved freshwater aquarium species among hobbyists
PERFECT FOR
• Corydoras catfish keepers
• Aquarium hobbyists and aquascaping enthusiasts
• Fish room and aquarium decor
• Freshwater fish collectors
• Aquarium club members
• Unique gifts for fish lovers
EXPLORE MORE HIGHLY TRAINED SIGNS
Build your own aquarium security team with:
• Highly Trained Rhinoceros Beetle
• Highly Trained Kuhli Loach
• Highly Trained Vampire Crab
• Highly Trained Betta Fish
© 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.