The best replacement for oysters is clams.

The best alternatives to oysters are rated as following:
★★★★★  clams
★★★★★  mussels
★★  snails
★  clams difference
★  atlantic oysters
★  snails spartacus
★  clams nutrition
★  muscles
★  clams make pearls
  west coast oysters
  wild oysters
  fresh oysters
  bad oysters
  fried clams
  claims
  raw clams
  smoked oysters
  clams pearls
  gulf
  scallops
  cooked oysters
  clam

Your alternative for oysters is not listed? Suggest!
Speaking about oysters, one probably shouldn't forget about mignonette.

Other search terms related to oysters and their ratings are:
★★★★★ mignonette
★★ horseradish
You have in mind a companion for oysters and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of oysters in all years. Click on graph for more.
oysters
clams
mussels