Found thousands of these translucent blue, plastic-looking ovals washed up on the beach today. They have a stiff fin on top and blue jelly underneath. Are they dangerous?

who might try to pick them up or ingest them. For pets, particularly dogs, ingestion of large quantities might lead to gastrointestinal upset.

For those with sensitive skin or known allergies, contact may cause mild irritation or a rash. In such cases, washing the affected area with soap and water usually alleviates any discomfort.

If you do experience a sting from a Velella velella, it is likely to be very mild. Most people report only a slight tingling sensation or irritation. Washing