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Hi, If they are rubbery to the touch & have two openings at the top then they are ascinidians. They come in all colors. Harmless filter feeders....
Hi, It looks like the beginning of filamentous brown algae. Check this site for a visual confirmation. Nuisance Algae ID Guide
Hi, Definitely a nudibranch from the looks of it. You will hardly see it during the day time. Check to see if you are able to spot it after lights...
Hi, Definitely sponge.
Hi, I think it is a Nepthea coral. Check the Google image search i made for this. nepthea coral - Google Search
Hi, The Photos are of ascinidians. Here is a web site link to help you compare Dutch Ascidian Website
Hi, If it is hard to the touch then it could be a bryozone colony. The structure seems to be that of a bryozone colony. If it is soft to the touch...
Hi, Leave the eggs alone. If they hatch it will be a treat for your fish. If you have a very good skimmer then you would not need to worry about any...
Hi, I think it is a tunicate. Google the term for images you should see it in the results.
Hi, Would advise you to give him to your LFS so that it could go into a species tank. Crabs may not be a direct threat to your corals. It may just...
This i will be giving a try. Nice article.
hi got time to be on the net after a long time. about to start an LFS marine as well as fresh.
hi dear check the link below it might help. The Sponge Guide
Before you scrape the growth from the rock, try the following. See if the growth is spongy to the touch. If so then you may have most probably got a...
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