The article Rare Sea Snails Spotted Along San Diego Beaches appeared first on San Diego Patch. SAN DIEGO, CA — Shimmering purple shells have recently been spotted along the shore in San Diego.

But velellas are nowhere near as dangerous to humans as their larger cousins. While both use dangling tentacles to feast on their prey, the velella's stinging cells (called nematocysts) are ...

But velellas are nowhere near as dangerous to humans as their larger cousins. While both use dangling tentacles to feast on their prey, the velella's stinging cells (called nematocysts) are ...

But velellas are nowhere near as dangerous to humans as their larger cousins. While both use dangling tentacles to feast on their prey, the velella's stinging cells (called nematocysts) are harmless ...