Trillions of tiny arms are reaching for food in The Grevelingen, a saltwater lake in #Zeeland (NL). Shot taken with the formidable #Nauticam SMC-2 macro converter. #underwaterphotography #uwphotography #scuba #underwater #duiken #marinelife #diving #Nikon #macro #Duikspotter #traveltips #onderwatersport #underwaterphotographer