who is my new nudi dude?

[EmilyB]

:confused: http://www.members.shaw.ca/beans666/nudi.JPG

[StirCrazy]

are you sure it isn't a money cowrie?

Steve

[Samw]

That's a Ring Cowry! I can see the ring underneath the mantle.

Here's a Money Cowry on the left and the Ring Cowry on the right with its mantle covering up its shell.

http://www.hyperdream.com/~samw/reef/Critters/Cowrie/123-2326_img_std.jpg

Here is the Ring Cowry with the mantle off

http://www.hyperdream.com/~samw/reef/Critters/Cowrie/123-2329_img_std.jpg

[EmilyB]

:lol: Yeah, thanks.....I've never seen my cowries up there, or displaying like that. :mrgreen: :cool:

[LostMind]

I am more interested in that little star. What is it and where did you get it?

[sumpfinfishe]

Lost Mind
I have lot's, or did have!
If you want a few you can have mine, they can sometimes explode in small but bountiful populations :mrgreen:

[LostMind]

Are they good guys or bad guys?! :)

[StirCrazy]

That's a Ring Cowry! I can see the ring underneath the mantle.



yup my mistake I always get them confused when there covered up.

Steve

[Delphinus]

Are they good guys or bad guys?! :)

There seems to be some debate on whether Asterina sp. stars are good or bad. I have hundreds of them in my tanks, and they've never bothered anything that I've been able to notice. Others claim that they can do damage to SPS. I personally feel it is a question of what exact species you might have, some do some don't. The ones in my tank seem to go after the algae on my glass (this doesn't bother me AT ALL :mrgreen: ) What is clear is that if you have a couple you will eventually have many more, as they divide by fission. Anyways there's the extent of my knowledge of them in a nutshell.

...

The cowries look cool. What do they do (i.e., can they perform a specific function) or do they just look cool? What do they eat?

[Arty Morty]

I think I read something on those starfish @ GARF (http://www.garf.org/)
Under Aquarium pests -> SPS eating starfish

But I could be wrong... :redface:
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[Quinn]

Without hard scientific research it is hard to say for certain which types are a problem and which types are not. Perhaps they only eat SPS when they have no other available foodsource.