Clams respawn. That's it. Nothing else.

Seriously, someone must have made this mod before. But I spent more time searching TES Search, Nexus, Google, etc than I did just opening up the construction set, checking the respawn box and hitting save. So here it is, and I'll post it only in the hopes that someone one day Googling "respawning clams" doesn't have to spend 10 minutes looking through links that aren't what they want.

There are 2 flavors. Respawning Clams1 just sets the clams to respawn. Respawning Clams2 also adds a second item to the clam. So you'll get 2 pearls. I use this one with my Skyrim Ingredients mod that adds clam meat, so I get a chance of 2 pearls, 2 clam meats or 1 pearl and 1 clam meat. That's the only reason I made it, so I could get more clam meat. Load this right after Skyrim Ingredients if that's what you want. Take your pick.