There are many different kinds of seafood, and the type and size of the seafood can affect the length of time.
Here are some of the best times to steam common seafood.
Fish generally 7 minutes, slightly larger fish time extended to about 10 minutes, conch 2.5 minutes, small conch 1.5 minutes, oysters 3 minutes (large can be extended by 0.5-1 minutes), scallops 3 minutes (large can be extended by 0.5-1 minutes), clams 3-5 minutes, shrimp tiger 7-8 minutes, crabs 10 minutes, Octopus head 12-14 minutes, claws 5-6 minutes.