Arrows over large bodies of water

[Groundtopia]

Hi!

So I finally bought the game a couple days ago and so far I am loving it.

Now to my issue about the arrows, it's fun to explore the area and come across old fired arrows that I had forgotten existed, however I recently tried firing at bees over at the lilypad pond and I noticed that when I ran/swam all over the area I could not find any of my arrows. Is this normal? xD Are they totally gone? It's not a big deal ofc I just found it weird.