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

[nanoreef heaven]

Those look like ball tip anemones. Some consider them a pest some don't.

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[nanoreef heaven]

Then again are they coming out of stalks?

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[Cymonous]

Yes, they do appear to be coming out of the stalks

 

[nanoreef heaven]

I'm not sure if they have a stalk or if the just are growing out of that old coral. But I have an orange ball anemone that looks similar minus the stalks. Try looking them up. I attached a pic mine close to the clam on a rock. Sorry bad quality I just was on tablet and used my tablet to take pic.

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[Steve718]

Found this snail hangin out in my Zoas. Doesnt seem to be doing anything. Pyramid snail?

 

[SushiGirl]

Cymonous, looks like hidden cup coral.

Steve718, could be, though it's awfully curvy. Might be better off starting a thread in "Other Inverts" asking for a snail ID. There are a couple of experts out there that should be able to help.

 

[Itsathermal]

Hello, i am new to posting in the forum so i hope this is acceptable and in the right place.

I found these cruising around the base of the flesh on my hammer coral. Also found little clutches of eggs there. The big one is 2.5-3 in long and they are mostly flat. They respond and move quickly when i touched them with the tip of a pen. Any idea what they could be?

 

[Dustin1300]

Looks like some sort of flatworm, possibly a planarian but cannot confirm with the picture.

 

[nanoreef heaven]

Nasty flatworm of some sort. Agreed.

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[Itsathermal]

I was leaning towards a flatworm as well but thought with their size that they might be something else. Thank you everyone for your help.

 

[SushiGirl]

The big one looks like a polyclad flatworm (snail & clam eater). You say the 2nd thing is eggs? I've never seen their eggs before. Usually nudibranchs have ribbon looking eggs, not sure about flatworms. Sorry, my phone wouldn't open the pic earlier.

 

[Itsathermal]

Hey sushigirl, The second one is just a smaller version of the big one. When i looked close at the hammer coral all along the edge where the soft tissue meets the skeleton there were clutches of eggs, and those eggs were right where i found the two flatworms. I removed all of the eggs i could find as well.

 

[SushiGirl]

I thought the 2nd one looked lik a flatworm too. What did the eggs look like? Crazy that they were both under there together. Yuck!

 

[nanoreef heaven]

Agreed.

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[Itsathermal]

The eggs were in clusters that were laid out flat like marbles laid together on a table. They were small maybe .5mm sort of cream to light brown in color. Then they were sitting in a slim that was slightly darker reddish brown. I would say the clusters varied between 1/4" to 1/2" across and very irregular in shape. Its a wall hammer and all of the clusters were on one side on the hammer almost touching the flesh of the hammer but on the bare skeleton. The only thing i can think of for them being on the one side only is that, that side of the hammer would have received more current than the other side. I used a rubber glove as a precaution and the eggs were pretty hard to squish. It was easier to scrape them off than to smash them.

 

[Ridgelon]

Is this a bad thing for a reef tank?

Is this a bad thing for a reef tank?







I saw it cleaning up after a snail deposited it's "processed algae" near its hole. Should I get rid of this thing or is it safe for a reef tank?

 

[nanoreef heaven]

Looks like a nasty bristle worm. Some say it's fine some say no. Guess it depends how big it is. But search bristle worm.

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[Sugar Magnolia]

I saw it cleaning up after a snail deposited it's "processed algae" near its hole. Should I get rid of this thing or is it safe for a reef tank?

Just a bristleworm. They are beneficial detrivores. Their population is regulated by the availability of food. If you tend to overfeed you'll have a larger population.

 

[SPotter]

Need an ID please.....

Need an ID please.....

I noticed these growing on my back panel glass in my frag tank and then on the bottom of this piece of rock. They look like flowers or some kind of clove polyp and close touched. Not the greatest pictures and the color looks to be green and white.

Thanks for looking and your feed back!

 

[lightning whale]

hi rc members so i just set up my first tank and i noticed some nice looking hitchhikers but still don't know if they are good or bad and since i want to have a reef i need your help identifying these critters i have read the whole thread and still couldn't get figure out what i have on the live rock so here you go