So the patch notes mentioned you can now use "shellfish" in the recipe instead of requiring oyster. Anyone know what shellfish and what gathering items they come from? None of the shellfish I've tried have led to a successful meal.

Clams and Shellfish, mostly underwater, but some on beach

Clam Location

Shellfish Location

PS: Bring your fishtank, gather amount is affected greenthumb mini-game, i gotten 40 in a single gather last night

BTW the "Daily - Recovering Sailors" quest text is wrong.  I submitted a ticket about it.  It says you can use 3 dried shellfish, which doesn't work.  You need to use 5.

And yes, shellfish comes from gathering Clams and Shellfish.  They're everwhere (see links posted above).  Make sure you use your hedgehog and the green thumb minigame.