The Elladora Ketteridge Chocolate Frog Card can be found in "Merpeople "
Description[]
| “ | Elladora Ketteridge discovered the use of Gillyweed when she nearly suffocated after eating it and recovered only when she stuck her head into a bucket of water. | ” |
Location[]
This card can be found hidden in the patch of seaweed on Harry's right.
Use[]
There is currently no use for this card on Pottermore