Hitch hiker

[joepdiver11]

I noticed a pile of shells in the front of my four month old tank. I started with live rock. In the middle of the pile I found this urchin. It doesn't look like a black rock boring or collector tuxedo urchin. Any ideas?

 

[Soren]

Probably a type of urchin commonly called a "purple urchin" or purple pincushion/short-spine urchin.
Where did the live rock originate? The purple urchins are quite invasive in some areas.

 

[sfin52]

Probably a type of urchin commonly called a "purple urchin" or purple pincushion/short-spine urchin.
Where did the live rock originate? The purple urchins are quite invasive in some areas.

Agree. Man your on top of it today

 

[Soren]

Agree. Man your on top of it today

Just hopped on at the right time for ID and found some I've seen before (I enjoy researching ID).

 

[joepdiver11]

The rock came from Tampa Bay(tbs) about 4 months ago. I don't have a sump so I will put him back in tank. It's about an inch across.

 

[joepdiver11]

Thank you for the help