Pix & ID: Critters that come in your rocks: the good and the bad.

[dmodz]

http://i1062.photobucket.com/albums/t499/dmodz/IMG_4390_zpsa58c9c2d.jpghttp://i1062.photobucket.com/albums/t499/dmodz/IMG_4388_zps5b16e6d1.jpg

What are these?

[dmodz]

http://i1062.photobucket.com/albums/...ps5b16e6d1.jpg

[dmodz]

http://i1062.photobucket.com/albums/...ps5b16e6d1.jpg

Not sure what this is.

[reepher315]

Found these two on a rock I had gotten with some coral. They move pretty quickly and have an odd smaller shell. Should they stay or go?

[seahorsedreams]

Looks like a stomatella. Stay.

[Sugar Magnolia]

Dmodz those are aeolid nudibranchs. Coral eaters.

[TreyC2010]

reepher, seahorse is right. Stomatella are awesome little guys. mine can move incredibly fast to be a snail. I love them

[chelseanbearden]

Hi.. i put in some live rock in a 29 gallon biocube. There is something growing on my rock in a tiny spot. It's pinkish coral? Sorry it is tiny and I had to zoom so photo quality could be better. I'm not sure what it is.. is it bad? Any help appreciated

[Atf22]

I'm probably over thinking this but Better safe than sorry! On the rocks the my pulsing Xenia are on there are these little stick like things... I can't tell if the Xenia are spreading or if it's something else

[cloak]

Originally Posted by chelseanbearden

Hi.. i put in some live rock in a 29 gallon biocube. There is something growing on my rock in a tiny spot. It's pinkish coral? Sorry it is tiny and I had to zoom so photo quality could be better. I'm not sure what it is.. is it bad? Any help appreciated

Without a better picture it's really hard to tell, but it looks kind of like an anemone of some sort IMO. What else can you tell us about it? (is it hard or soft, does it have a mouth, does it ever move etc)

[chelseanbearden]

I will try to get a better picture but it does remind me of an anemone when it expands

[cloak]

Originally Posted by Atf22

I'm probably over thinking this but Better safe than sorry! On the rocks the my pulsing Xenia are on there are these little stick like things... I can't tell if the Xenia are spreading or if it's something else

The picture is not showing up for me.

[chelseanbearden]

Originally Posted by cloak

Without a better picture it's really hard to tell, but it looks kind of like an anemone of some sort IMO. What else can you tell us about it? (is it hard or soft, does it have a mouth, does it ever move etc)

Yeah it has a center.. are there bad anemone that I need to watch out for?

[Atf22]

Originally Posted by cloak

The picture is not showing up for me.

For some reason it didn't show up, I read the forum on how to post from photo bucket but it did not seem to work

[cloak]

Those small purple sticks your seeing on the rocks are Vermetid snails.

http://www.reefkeeping.com/issues/2005-01/rs/index.php

[Atf22]

Originally Posted by cloak

Those small purple sticks your seeing on the rocks are Vermetid snails.

http://www.reefkeeping.com/issues/2005-01/rs/index.php

Are those something I should get rid of? Are they harmful or considered good?

[cloak]

Originally Posted by chelseanbearden

Yeah it has a center.. are there bad anemone that I need to watch out for?

Aiptasia & Majano anemones are bad. There's also a ball-tipped anemone that shows up quite often in our tanks, but these are generally harmless. It's still really hard to tell from your pictures, but the one you have doesn't look like any of those IMO. Maybe somebody else will chime in with an ID.

http://www.lionfishlair.com/hitchhiker/hitchhiker.shtml

[cloak]

Originally Posted by Atf22

Are those something I should get rid of? Are they harmful or considered good?

They're generally harmless IMO, but the web that they cast out to catch food can be kind of irritating to corals sometimes. Newer tanks always seem to have a bunch of them at first, but as the tank matures and the food source becomes limited the population usually declines. If you want to get rid of them ASAP, you could try putting a small dab of super glue gel over the tip to seal them in. GL.

[Atf22]

Originally Posted by cloak

They're generally harmless IMO, but the web that they cast out to catch food can be kind of irritating to corals sometimes. Newer tanks always seem to have a bunch of them at first, but as the tank matures and the food source becomes limited, the population usually declines. If you want to get rid of them ASAP, you could try putting a small dab of super glue gel over the tip to seal them in. GL.

Thanks for all your help, I'm thinking my hermit crabs might take care of them, if not I'll try the super glue, thanks for your help!

[showup]

Hi: I am new to this reef system. The tank is with me for about 4-5 days. It is 50 gallon no refugeium at this moment but I am setting up one. It has Green Star Polyps, Hammerhead Polyps, Purple death polyps, Green polyps, Green Leather tree, Teacup macro algae and Orange tree sponge. It also have a lawnmower blenny (about 4"), Skunk cleaner shrimp and hermit snail.

Last couple of days the hermit snail was spending more time on the orange tree sponge. Today I see lot more stuff going on there. Please see the images below. What are the stuff that I pointed with arrow? Are they harming the coral? Please help.

[hogfanreefer]

They look like normal amphipods to me, I wouldn't think they eat sponges but I don't know for sure.

[showup]

Originally Posted by hogfanreefer

They look like normal amphipods to me, I wouldn't think they eat sponges but I don't know for sure.

Thank you very much. I will keep watching it if anything suspicious.

[dmodz]

Originally Posted by Sugar Magnolia

Dmodz those are aeolid nudibranchs. Coral eaters.

I took them out of the tank. Guess I need to dip the coral before I add them to the tank.

[Ragnarokas]

Hi guys

This crab looks like a bad guy, yeah ?

[chelseanbearden]

Hi I have some critters in some algae and wasn't sure if they were good or bad..