Tridacna maxima (Tear Drop) (6cm)

The Tear Drop Clam (Tridacna maxima) is a popular choice among marine aquarium enthusiasts due to its vivid colours and manageable size, reaching approximately 6cm. This species is a photosynthetic giant clam that relies heavily on strong lighting to support its symbiotic zooxanthellae algae, which provide much of its nutritional needs.

Care Level: Moderate – requires stable water parameters and strong lighting.

Feeding: Primarily photosynthetic, but benefits from supplemental feeding of phytoplankton or specialised clam foods to promote growth and health.

Compatibility: Reef safe and generally peaceful, the Tear Drop Clam can be kept with most reef inhabitants. Avoid housing with aggressive fish or invertebrates that may nip at its mantle.

Lighting Requirements: High-intensity lighting such as T5, LED, or metal halide is essential to support photosynthesis.

Water Flow: Moderate, indirect water flow is ideal to prevent mantle damage while ensuring nutrient exchange.

Placement: Position on a stable substrate or rockwork in a well-lit area of the aquarium. Avoid direct strong currents.

Tank Size: A minimum of 100 litres is recommended to maintain stable water conditions and accommodate growth.

Regular monitoring of water parameters, especially calcium, alkalinity, and magnesium, is important to support shell growth. The Tear Drop Clam is a rewarding addition to mature reef aquaria, offering both aesthetic appeal and ecological benefits.