Ruoc - a small, krill-like prawn - is about 10-20 mm long. It is the main ingredient used to make Vietnam's shrimp sauce. Freshly caught ruoc is sold on site for up to 20,000 VND (0.89 USD) per kg (Photo: VNA) 
Ruoc netting is an extra source of livelihood for fishmen in central Quang Binh province apart from their main fishing work. (Photo: VNA) 
"Mức", a specialised net for catching ruoc, looks like a bag with fine meshes and sinkers at the bottom to trap the tiny creature. (Photo: VNA) 
Ruoc moves in flock near the shore, sometimes causes the water surface turn light red. Fishermen use nets to catch them 
Fishermen stand waiting next to their nets. (Photo: VNA) 
Eighty-year-old Pham Ngoc Thuc, a villager in Canh Duong commune, goes for ruoc netting whenever he misses the sea. (Photo: VNA) 
Nguyen Nuong who began his fishing career in his tweenties is now 65. He said changes of tides affect netting yield substantially. (Photo: VNA) 
An old fisherman comes home after a good harvest. (Photo: VNA) VNA
