Potential area suitable for cockle culture are around 22 950 ha (Tiensongrusmee et al, 1987). The main areas are in Tj. Balai, North Sumatra, Bintan bay, Riau, Kuala Tungkal; Kuala Penet Lampung; Mauk Tangerang, Pancakencan, Cebang, Banten bay, Ketapang bay, Gagara Menyan and Tarumajaya, West Java; Demak, Jepara, Taya Pati, and Rembang in Central Java; Kenjeran, Pasuruan and Prolinggo in East Java; Banyuwedang bay and Pegametan bay, Bali and Bima bay, Sumbawa in West Nusatenggara.
