Ruby Cardinal
Ruby Cardinal
Ruby Cardinal: The Jewel of Your Reef Aquarium
The Ruby Cardinal, with its vivid red coloration and peaceful demeanor, is a stunning addition to any reef aquarium. This striking fish not only enhances the visual appeal of your aquatic environment but also complements a diverse range of tank inhabitants. Perfect for both novice and experienced aquarists, the Ruby Cardinal is a captivating choice that brings vibrant life to your underwater world.
**Care Requirements**
To ensure the health and happiness of your Ruby Cardinal, maintaining stable water parameters is crucial. Ideal conditions include a temperature range of 72-78°F, a pH of 8.1-8.4, and a specific gravity of 1.020-1.025. A minimum tank size of 30 gallons is recommended to provide ample space for swimming and to accommodate their peaceful nature alongside other species.
**Feeding Guide**
Ruby Cardinals are easy to feed and will thrive on a varied diet. They primarily enjoy high-quality marine flakes, pellets, and frozen foods such as brine shrimp and mysis shrimp. Offering a diverse diet will not only enhance their coloration but also promote optimal health and longevity.
**Compatibility and Behavior**
Known for their docile temperament, Ruby Cardinals are excellent candidates for reef tanks, peacefully coexisting with a wide array of corals and other tank mates. They are perfect for community aquariums and can be kept in small groups or pairs, where they exhibit fascinating social behaviors.
**Why Choose Ruby Cardinal?**
- Vibrant red color adds a striking visual element to any aquarium
- Peaceful nature makes them compatible with a wide range of tank mates
- Easy to care for, making them suitable for hobbyists of all levels
- Thrives in reef environments, cohabiting harmoniously with corals and invertebrates
Transform your aquarium into a vibrant underwater paradise with the addition of the Ruby Cardinal. Its beauty and ease of care make it a cherished gem for any saltwater enthusiast.
Feeding & Diet
Feeding & Diet
An opportunistic omnivore, the Pithos Crab will scavenge detritus, uneaten food, and algae — making it a natural cleanup crew member. Supplement with small meaty foods like mysis shrimp or pellets 2–3x per week if natural food sources are limited.
Care & Water Parameters
Care & Water Parameters
The Pithos Crab thrives in stable, well-maintained reef conditions. Target parameters: temperature 72–78°F, salinity 1.025–1.026 SG, pH 8.1–8.4, and alkalinity 8–12 dKH. A mature, established tank of at least 20 gallons is recommended.
Reef & Tank Compatibility
Reef & Tank Compatibility
Generally considered reef-safe. The Pithos Crab coexists well with most corals and peaceful fish. Use caution with very small invertebrates or slow-moving tankmates. Provide ample rockwork and hiding spots to reduce territorial behavior.
Size & Growth
Size & Growth
Pithos Crabs are typically shipped at 0.5–1.5 inches. They are slow-growing and generally remain small, making them well-suited for nano and mid-size reef systems.
Shipping & Live Arrival Guarantee
Shipping & Live Arrival Guarantee
All livestock ships with heat or cold packs as needed and is packaged for safe transit. We stand behind a live arrival guarantee — if your animal arrives DOA, contact us within 2 hours of delivery with a clear photo. See our full DOA policy for claim details.
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