What are those!!?

[PokeFBLeague]

 

[BTimms]

Pineapple Sponge.
Good guys. Filter feeder.

 

[RedFrog211]

Pineapple sponges- filter feeders that are most common in sumps or dark places. Populations fluctuate with nutrients

 

[PokeFBLeague]

Pineapple Sponge.
Good guys. Filter feeder.

How are they good

 

[Isopod80]

How are they good

They filter feed and help clean the water.

 

[Uzidaisies]

How are they good

They’re also pretty darn cute if you ask me.

 

[polyp_craze]

Harmless!