Derasa Clam (Tridacna derasa)
Invertebrate in the family Cardiidae. Moderate care. Reef Safe.
Quick facts
Diet and feeding
Filter-feeder consuming phytoplankton and zooplankton. Requires strong indirect water flow; also photosynthesizes via zooxanthellae symbionts for supplemental nutrition.
Origin and habitat
Indo-Pacific from Indonesia and Philippines south to Australia and east to the Solomon Islands, primarily in warm shallow reef lagoons.
Keeper notes
• Minimum 75 gallon tank with strong lighting (10,000+ K, PAR 200–400) • Requires stable conditions: 74–82°F, pH 8.1–8.3, and salinity 1.023–1.025 • Position on stable rockwork or sand bed away from aggressive fish and high-flow areas • Benefits from direct lighting exposure to sustain symbiotic zooxanthellae
Log Derasa Clam in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Derasa Clam alongside everything else in your reef.
