💎🐚 Tridacna maxima – Aquacultured Clam
WYSIWYG / Select Specimen – Cultured Giant Clam
🔹 Quick Stats
Care Level: Moderate to Advanced
Temperament: Peaceful
Colour Form: Aquacultured Tridacna maxima clams display an incredible range of mantle colouration, including electric blues, deep violets, golds and intricate patterning with iridescent spotting and striping. Under actinic lighting, the mantle exhibits intense fluorescence with shimmering neon tones. Under balanced white lighting, the full complexity of patterns emerges—metallic blues, sapphire hues, golden highlights and contrasting dark base tones.
Water Conditions: 24–26 °C, dKH 7.5–8.5, pH 8.0–8.4, sg 1.024–1.026
Family: Cardiidae
Lighting: Moderate to High (PAR 150–350)
Water Flow: Low to Moderate, indirect
Placement: Rockwork (secure positioning, stable base)
Type: Aquacultured Specimen
🧬 Overview
The Tridacna maxima is one of the most sought-after giant clams in the reef aquarium hobby, prized for its striking mantle patterns and intense iridescence. Aquacultured specimens offer superior hardiness and adaptability compared to wild-collected clams, making them a more sustainable and reliable choice for advanced reef systems.
This species thrives under strong lighting, where its symbiotic zooxanthellae drive both growth and coloration. When fully expanded, the mantle creates a living, shimmering display that reacts subtly to changes in light and movement, becoming a true centrepiece of the aquarium.
Each specimen develops unique patterning, ensuring no two clams are ever identical.
🧾 WYSIWYG / Selection Note
Depending on listing type, you will receive either the exact clam shown (WYSIWYG) or a carefully selected aquacultured specimen chosen for colour vibrancy, mantle extension and overall health.
Selected for:
• Intense iridescent mantle colouration
• Strong pattern definition and contrast
• Healthy mantle extension and responsiveness
• Aquacultured origin (sustainable & hardy)
• High visual impact under reef lighting
🍽️ Care & Feeding
Tridacna maxima clams rely heavily on photosynthesis but can benefit from nutrient-rich systems.
Recommended support:
• Stable nutrient levels (avoid ultra-low nutrient systems)
• Occasional phytoplankton dosing (especially for smaller specimens)
• Strong, stable lighting for optimal energy production
📈 Optimal Parameters
Parameter | Ideal Range
Alkalinity (dKH) | 7.5–8.5
Calcium (Ca) | 420–460 ppm
Magnesium (Mg) | 1300–1400 ppm
Nitrate (NO₃) | 2–10 ppm
Phosphate (PO₄) | 0.02–0.08 ppm
📍 Placement
Place on stable rockwork where the clam can securely attach using its byssal threads. Ensure strong lighting and avoid frequent repositioning. Keep away from aggressive tank mates or fish that may nip at the mantle.
💎 Tridacna maxima – Aquacultured
A living jewel of the reef — shimmering colour, intricate patterns and sustainable origin, making it a true centrepiece clam for high-end reef aquariums.