Longest line of bivalve shells
- Who
- Province of Zamboanga Sibugay
- What
- 24,222 total number
- Where
- Philippines (Ipil)
- When
- 26 February 2026
The longest line of bivalve shells consists of 24,222 pieces and was achieved by Province of Zamboanga Sibugay (Philippines) in Ipil, Zamboanga Sibugay, Philippines on 26 February 2026.
On the 25th anniversary of the province’s foundation, the people of Zamboanga Sibugay attempted a Guinness World Records title using byproducts from their cultured oysters. With approximately 1,500 participants working together to create a 1,097-metre line of oyster shells, the attempt took nearly two hours to complete.