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Home      Reply		Viewed: 341 -- Replies: 14
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Posted	Strange creatures
07-05-2006 16:39 by billysfc	The following photo is of a strange white thing that's appeared all over the glass in my aquarium. There must be hundreds of them, everywhere I look. They seem to be stuck to the glass with the central disc and then the tentacle things are moving in the water flow. Does anyone know what they are ??
07-05-2006 16:41 by billysfc	Here's a photo I had to take through a magnifying glass as they are so small my camera won't focus on them.
07-05-2006 17:39 by tommy	yes i have thease aswell ... i belive them to be part of the bacteria
07-05-2006 18:53 by heros hero	Gonna set myself up here i'm sure. Are they not little starfish? It is a marine tank isn't it?
07-05-2006 19:14 by billysfc	I don't think they're star fish as they seem to be stuck by the central disc and the arms seem to flow with the water movement. I think they're filtering the water. Plus I've counted between 5 and 9 arms on different individuals.
07-05-2006 20:29 by graham penney	Are they Aptasia??
07-05-2006 20:41 by graham penney	Google images, Aiptasia, page 10 RHS.
07-05-2006 21:09 by graham penney	Best I can do for you. graham
07-05-2006 21:16 by drummerduck	i don't think its aptasia
07-05-2006 21:17 by drummerduck	I have aptasia and its found more on the live rock than stuck to glass
07-05-2006 21:46 by tommy	thease are filter feeders perfwectly fine for your tank ... help keep the tank healthy
07-05-2006 21:48 by billysfc	Ok thanks to the link to Google images Graham suggested, I've found out that they're hydroid jellyfish. What else can we find out about them ?????????
07-05-2006 22:27 by graham penney	I'll tell you a story....some years ago I installed a system at a goldfish farm. They had home type baths FULL of freshwater hydra which effectively caught anything & everything which flowed past them. Hence ultra clean water. Not too sure how they managed to control them from being returned to the fish tanks with the return flow of water. But it was a sight to be seen, you could not have put your hand into the bath for every concievable space was occupied by hydra clinging to underwater substrate.graham
08-05-2006 20:25 by minalo1	They are hydroid jellyfish, and they can reach plague proportions, one guy had to dismantle his set up, seems they hitch hike in on live rock may have a colony somewhere? As for getting rid of them methods vary from superglue to squashing with a credit card, also Copperband and Keyhole Limpets for the colony , but the experts say that hydroids have no natural predators. I don't know of anything else. You could try using some type of micron filter to remove them others suggest just leaving them alone and they dissappear Other than that I don't know. Hopefully someone else will have viable suggestions
08-05-2006 20:31 by billysfc	I think i'll just leave them alone and see what happens, a marine tank is all about biodiversity, and the more Things that crawl out of the rock work, the more interesting it is for me.

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