At Source Aquatics, we prioritize the safe transport of your Cardinal Tetras. Here are our shipping guidelines:

• 📦 Shipments are conducted on Mondays, Tuesdays, and Wednesdays via FEDEX & UPS.
• 🕒 DOA Guarantee is applicable to next-day shipping, refunds less shipping costs.
• 🌡️ Temperature-appropriate packaging is used based on destination climate (local temperature info is helpful).
• 📆 We strive to avoid weekend shipping to minimize potential delays, depending on destination.

Your satisfaction and the health of the fish are our top priorities:

• 💸 Prompt refunds for DOA cases, less shipping costs.
• 🔄 Replacements where feasible.
• 🚚 Orders may take 2-3 business days to prepare for optimum quality.
• 💯 Full refunds for orders we cannot fulfill due to stock issues.

The Cardinal Tetra is one of the most popular aquarium fish, renowned for its brilliant blue and red coloring that stands out beautifully in any planted tank. These small and peaceful fish are native to the rivers of South America and are admired for their schooling nature and ease of care.

• Bright blue line that runs along their body, coupled with a vibrant red that illuminates under proper tank lighting
• Peaceful nature, making them excellent for community tanks
• Thrives in soft, acidic water, reminiscent of their natural Amazonian habitat
• Schooling behavior, which provides a mesmerizing display when kept in groups

• Temperature: 73° – 81° F (23° – 27° C)
• pH: 4.5 – 6.5
• Hardness: Up to 6 dGH
• Minimum Tank Size: 20 gallons

• Diet: Omnivorous; requires a balanced diet of high-quality flake food, frozen or live brine shrimp, and bloodworms.
• Social Behavior: Extremely peaceful; best kept in schools of 6 or more to promote natural behavior and reduce stress.
• Origin: Native to the tributaries of the Amazon River in South America
• Average Adult Size: 1.5 – 2 inches (3.8 – 5 cm)
• Average Purchase Size: 0.5 – 1 inch (1.3 – 2.5 cm)