What are these things

Discussion in 'ID Needed' started by lindsay pollard, 16 Mar 2008.

  1. lindsay pollard

    lindsay pollard pipefish

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    51947dd1d5a3bdf2.jpg
     
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  3. Reef Maniac

    Reef Maniac

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    Hydroid, perhaps Lytocarpus filamentosus ?

    Hennie
     
  4. OP
    lindsay pollard

    lindsay pollard pipefish

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    HI HENNIE
    is it a good thing or bad this hydroid thing
     
  5. OP
    lindsay pollard

    lindsay pollard pipefish

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    what would u call this

    51947dd57b3be62f.jpg 51947dd57b3be62f.jpg
     
  6. Alfie

    Alfie

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    Algae. You get lots of fish that will eat it especially surgeons
     
  7. lanzo

    lanzo

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    Hydroid are filter feeders, right hennie?
    And i think the don't like light that much, because all of myne grows under my LR
     
  8. Mike

    Mike Retired Moderator

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    Hydroids tend to be a bad thing, remove rock, burn off, return rock;)
     
  9. lanzo

    lanzo

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    really wee-man?
     
  10. Reef Maniac

    Reef Maniac

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    They do have stinging nematocists, just the same as corals and anemones, and yes, they could end up fighting with other life-forms living to close to them (just the same as corals...). They are, however, filter feeders and do a good job of catching and eating detritus. In my opinion, they don't do well long-term in most aquaria (lack of enough food...), and as they normally live on the underside of rocks they don't usually threaten our corals.

    I would leave them intact, unless they were growing in a dedicated fry-rearing tank (they could catch and eat baby fish / larvae).

    Hennie
     
  11. OP
    lindsay pollard

    lindsay pollard pipefish

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    thanx for all the info Hennie so i guess i will leave it right where it is and keep a close eye on it ONEWAY
     
  12. dendrosa

    dendrosa Member

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    Definitely leave in. They add to the biodiversity in your tank.
     
  13. OP
    lindsay pollard

    lindsay pollard pipefish

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    Thanx For That Dendrosa
     

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