Ummm HELP I Think

[Fatdaddy82]

I just came back from a 2week vacation with the family to only these gifts what the heck are they and should i be worried there are about 15 placed in different spots but only on 1 rock from what i can tell

Sent from my LG-D415 using Aquarium Advice mobile app

 

[Autumnsky]

Do you have a close up of the thing?

 

[54seaweed]

pineapple sponge there safe

 

[Fatdaddy82]

The pics are as close up as i could get used my cellphone

Sent from my LG-D415 using Aquarium Advice mobile app

 

[Fatdaddy82]

Ok ty 54

Sent from my LG-D415 using Aquarium Advice mobile app

 

[bribo12]

They're sponges and they come and go. No need to be worried

Edit: sorry didn't see the other responses but yeah just agreeing with seaweed lol

Sent from my iPhone using Aquarium Advice