Harmful?

[Stevenlburton]

 

[Stevenlburton]

Any idea what thiis is, or if it is harmful? I have several showing up, smaller than a bb.

 

[nautical_nathaniel]

The black thing?

 

[nautical_nathaniel]

The black thing?

 

[Stevenlburton]

Yes next to the pipe organ, smaller than a bb, I have several showing up in different spots

 

[KJ]

Scutus sp.

 

[Stevenlburton]

Thank you. Googled, but can't figure out, is it a pest in a reef tank, or will i be ok?

 

[SnowDog]

I have them in my tank. For me, they have not been harmful, but they do multiply.

Elephant Slug, Shield Slug, Ducksbill Limpet (Scutus sp.)

 

[saltyfilmfolks]

Awesome critters. Apperanly live for years.

 

[Mr. Bill]

Scutus sp.

From the family Fissurellidae. While mostly an algae grazer, they may grow to over 12 cm.