SAN DIEGO — Twenty feet beneath the surface at La Jolla Shores, thousands of living sand dollars have created what looks like an underwater treasure field, stretching nearly a quarter-mile across the ocean floor.
Snorkeler Allison Wylot captured the stunning discovery on Sunday in a viral video that shows the deep purple creatures carpeting the sandy bottom south of Vallecitos.
“They were there by the millions — just as far as you could see, stacked up one after the other,” Wylot said. “They’re this deep purple, and they’ve got all these hairs on them moving around, and they’re so cool.”…