Why did my guppy disappear?

[Party_duckquack]

I got 3 new guppies for my 10g but after putting them inside I found one of them gone!
I looked all over my tank. I lifted up rocks and wood, plants and decor but I still couldn't find him. I looked all over the floor , near the tank, under cabinets but he was no where to be found. I looked inside the filter but nothing, im starting to worry really bad . Anyway suggestions?

 

[Mmathis]

Hello and welcome. Does your tank have a cover? No idea what happened— sometimes fish just disappear.

 

[j.w]

@Party_duckquack
Guess all you can do is wait and see if it somehow hid really good and reappears. If you can't find it, you can't find it. A mystery!

 

[HARO]

Alien abduction! I've had a number of them over the years.
John