Can I get an ID on this critter , not my yellow tail
... but that shell like thing .. it's definitely moving .. is it good or bad ? Should I remove ?Follow along with the video below to see how to install our site as a web app on your home screen.
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... but that shell like thing .. it's definitely moving .. is it good or bad ? Should I remove ?It's a limpet. They are generally okay, but all of my limpets live in the sump. Apparently, they love to scour the bases of golf ball corals.


There's a trick that I learned on a nature program. I think it had to do with otters harvesting limpets or abalone. Grab the shell and give him a good twist before you try to lift him off. They can withstand strong straight-line forces, but they are no match for a twisting motionHe doesn't seem too want too let go of the rock![]()

Every one of the limpets I've moved from the display tank to the sump have survived...and there are literally dozens. In fact, not only did they survive, but I have some that are about he size of a quarter lurking down in the sump.There's no reason to remove it, most limpets are reef safe. I'm not familiar with the different species, but you should try and get a firm ID before moving it. Some kinda of inverts would rather die than let go of the rock (which normally means death for them anyways).


That's what I would've done except that I have several golf ball coral colonies on the aquacultured live rock I bought. The limpets LOVE them some golf ball coral!The one I can see in my tank doesn't bother anything, I let him be![]()
They are narrower than they are long, but they're pretty darn big!I would try to remove in that situation for sure!That's what I would've done except that I have several golf ball coral colonies on the aquacultured live rock I bought. The limpets LOVE them some golf ball coral!
P.S. I don't actually think they eat the coral, but they rasp the base of the coral causing damage to polyps near the base. Collateral damage.

