Shrimp, Snails, and Crabs
Maxima Giant Clam
Tridacna maxima
Photo: RevolverOcelot · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–27 °C
- pH8.1–8.4
- Adult size35 cm
- Difficulty★★★★☆
- TemperamentPeaceful
- WaterMarine
- Reef safeYes
Full profile
- Family
- Cardiidae
- Origin
- Indo-Pacific and Red Sea
- Size
- 20 – 35 cm
- Temperature
- 24 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.024 – 1.026
- Difficulty
- ★★★★☆
- Water type
- marine
- Behavior
- Pacific
- Diet
- photosynthesis (symbiotic algae) and filtration
- Reproduction
- releases gametes into the water
- Reef Safe
- ✅ Yes
Notes: Body covered in vivid blues, greens, and golds. Requires bright lighting and stable water conditions. Some dwarf angelfish and parasitic snails attack its body. Species listed under CITES: only captive-bred specimens.
