Miguel's Ceviche

Directions

1. 1
   In a small, nonreactive bowl, combine the shrimp, grouper, ginger, garlic and 1 teaspoon of salt.
2. 2
   Add the juice of 1 lemon and the juice of 1 lime.
3. 3
   Toss to coat.
4. 4
   Cover and refrigerate for 1 hour.
5. 5
   Meanwhile, bring a large pot of salted water to a boil.
6. 6
   Add corn and boil for 5 minutes.
7. 7
   Cool in a bowl of cold water.
8. 8
   Remove, pat dry and use a large knife to cut the kernels from the cob.
9. 9
   Discard the cobs and refrigerate the kernels.
10. 10
    Place a cup of water in a large saucepan and bring to a boil.
11. 11
    Add the mussels, cover the pan and steam until the mussels just open, 2 to 3 minutes.
12. 12
    Drain immediately and set aside.
13. 13
    When cool enough to handle, remove the mussel meat and refrigerate, discarding the shells and any unopened mussels.
14. 14
    Drain excess liquid from the shrimp and grouper and transfer to a large bowl.
15. 15
    Add the corn, mussels, clams and oysters with their juice, cilantro, onion and celery.
16. 16
    Add juice of the remaining lime and lemon and toss.
17. 17
    Season with salt to taste.
18. 18
    Divide the mixture among 4 small plates or martini glasses and serve.