Can anyone ID this creature?

Fish R.Ph. · 08-16-2006, 09:31 AM

Hi all,

My tank has been up for a few months, and I've gotten my live rock from a couple different sources. This little creature showed up a couple weeks ago and has been moving around and growing larger.

Any idea what he/she is? Do I want to keep it..get rid of it??? It is about the size of a pea in the center. Dark brown. Has about 20+ little spikes shooting off all around it.

TIA!

Jason

tray262 · 08-16-2006, 09:58 AM

Looks like an urchin to me.

michaelchin · 08-16-2006, 10:25 AM

yes it an unchin but it well eat up ur live rock notie where ever it move ur rock faded

**Ninong** · 08-16-2006, 10:41 AM

It's a sea urchin of some sort and you can read all about them here.

***zhenya*** · 08-16-2006, 01:19 PM

Quote:

Originally Posted by michaelchin

yes it an unchin but it well eat up ur live rock notie where ever it move ur rock faded

michaelchin,

I wouldn't overly worry about a single urchin "eat up" your live rock.

If anything, it may help rejuvenate your live rock by scraping some of the coralline algae off it, hence opening up the pores/little holes in the rock to help make this rock a good filtration material again. Not just some rock to stick your corals on.

fish outa wata · 08-19-2006, 04:14 PM

That article is a good read, but that chart at the end is great - nice and simple.

CSeaSee · 08-20-2006, 04:46 PM

Looks like the same type of "rock" urchin that I've had in the past- no big deal, from your pic, but with only a 37g tank, he may eventually starve- they seem to need a lot of area to graze. They generally come out at night and stay still during the day.

fish outa wata · 08-20-2006, 04:56 PM

CSeaSee I wasn't looking into getting an urchin, just thought the article was a good read.

gregb · 08-22-2006, 09:01 PM

He will grow up to be a nice fat sea urchin. Great for tank spring cleaning.

08-16-2006, 09:31 AM	#1
Fish R.Ph. Citizen Join Date: Apr 2005 Location: Whitinsville, MA Posts: 130	Can anyone ID this creature? Hi all, My tank has been up for a few months, and I've gotten my live rock from a couple different sources. This little creature showed up a couple weeks ago and has been moving around and growing larger. Any idea what he/she is? Do I want to keep it..get rid of it??? It is about the size of a pea in the center. Dark brown. Has about 20+ little spikes shooting off all around it. TIA! Jason __________________ Help! Do they make a saltwater patch? I think I’m addicted!

08-16-2006, 10:41 AM	#4
Ninong Moderator Join Date: Jun 2000 Location: Louisiana Posts: 19,615	It's a sea urchin of some sort and you can read all about them here. __________________ Ninong

08-20-2006, 04:46 PM	#7
CSeaSee Mayor Join Date: Apr 2005 Location: Chicago Suburbs Posts: 663	Looks like the same type of "rock" urchin that I've had in the past- no big deal, from your pic, but with only a 37g tank, he may eventually starve- they seem to need a lot of area to graze. They generally come out at night and stay still during the day. __________________ Carl Just tell your wife that having a tank teaches you all sorts of new DIY skills...which will save lots of money around the house...so you can buy more stuff for your tank...so you can learn more skills...

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08-16-2006, 09:58 AM	#2
tray262 Council Join Date: Mar 2006 Location: Maryland Posts: 355	Looks like an urchin to me.

08-16-2006, 10:25 AM	#3
michaelchin New in Town Join Date: Aug 2006 Location: singapore Posts: 1	yes it an unchin but it well eat up ur live rock notie where ever it move ur rock faded

08-19-2006, 04:14 PM	#6
fish outa wata Tenant Join Date: Jun 2006 Location: belleville, IL born&raised in Rhody Posts: 91	That article is a good read, but that chart at the end is great - nice and simple.

08-20-2006, 04:56 PM	#8
fish outa wata Tenant Join Date: Jun 2006 Location: belleville, IL born&raised in Rhody Posts: 91	CSeaSee I wasn't looking into getting an urchin, just thought the article was a good read.

08-22-2006, 09:01 PM	#9
gregb Just Moved In Join Date: Sep 2004 Location: australia Posts: 35	He will grow up to be a nice fat sea urchin. Great for tank spring cleaning.

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