Question: Hair Slug

[IE Reefer]

Bought a hair slug last week to combat my hair algae problem and has

 

[IE Reefer]

Bought a hair slug last week to combat my hair algae problem and has

Whops accidentally clicked "submit"

Anyways, he's been kicking butt but only to a certain level, could the slug climb up on the rocks where there are more hair algae to be eaten? I'm pretty sure he would've if he could, but maybe he's just lazy, idk.

 

[IE Reefer]

bump