Spotted this sucker when the lights came on!!

H.garza10

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Just spotted him when the lights came on today. He was fully extended then as the light stayed on he retracted back under the plug. Help with ID please
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Remove if able. If not overfeeding can increase their numbers. Almost every tank I have had, had this type of Hydroids, not terribly problematic.
 
Look like either a gastropod (sessile snail) as they send out a little cobweb looking thin or a vermetid snail especially if it comes from what appears to be a calcerous tube.
 
Digitate Hydroid
They dont really harm anything. I have them in my system. I havent found an effective predator for them and manual removal is a pain in the bum. It feeds on particular matter in the tank but doesnt harm coral that I've observed
 
digitate hydroid 100%
I've had the same experience with them as Crabs McJones, but have read quite a few claiming they irritate some corals, maybe different species of them?
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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