Does anybody have any idea what this thing is?

sx450 rider

Member
It has been living in my tank for about 3 months maybe 4. I only know this because that was the last time I added live rock. And I have only recently discovered this "slug". It has a white stripe down its back and it only comes out at night. This is only the 3rd time I have seen it. Is it bad or good? Please help lol http://campl.us/eMttxkVZWma I'm sorry it's a URL but I'm using my iPhone to post this because my computer is down right now, and I don't know any other way to do it...
 

bang guy

Moderator
It's called a Scutus. It's a type of skirted Limpet. There's a white shell under the skirt that you may see as a skunk looking stripe if you watch it.
 

spanko

Active Member
NO! This is a great critter. Enjoy the diversity. Some are sponge feeders, but most are algae grazers.
 
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