Now I found starfish...

Shawn_epicurious

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My tank is approaching 6 months old now. I have found quite a few hitchhikers in that time. Some good... some bad.

And now... I just started seeing some smal white starfish on my DT glass. I’ve tried getting a pic, but they keep disappearing before I can set up a camera. I’ll do. Pic as soon as I can...

In lieu of that, are their bad starfish I need to worry about?
 

andrewey

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They are likely asterina starfish (Aquilonastra). Some love them, some hate them. I'm in the former camp. Most of the species of Aquilonastra are harmless to corals, contrary to what some hobbyists believe ;)
 
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andrewey

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Likely same genus- unfortunately the pictures are only a partial list, but should have similar body shape and size with differing colorations.

If you're ever able to grab a picture, it should make ID pretty simple.
 
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Shawn_epicurious

Shawn_epicurious

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While I try to get a pic of the starfish, I did just take the pics below. This is on my back wall, under a cave that Ai cannot get to to clean... I hate to ask about a different critter now, but... apparently I just did. Lol

are these little guys a problem?

74335F9D-57CA-4C9D-998E-94744CEAE165.jpeg
37A6B476-DCB8-4062-B477-417D3933C4B9.jpeg
 
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andrewey

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While I try to get a pic of the starfish, I did just take the pics below. This is on my back wall, under a cave that Ai cannot get to to clean... I hate to ask about a different critter now, but... apparently I just did. Lol

are these little guys a problem?

74335F9D-57CA-4C9D-998E-94744CEAE165.jpeg
37A6B476-DCB8-4062-B477-417D3933C4B9.jpeg
Spirorbis- completely harmless. Great filter feeders.
 

Billdogg

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If you do have a population explosion, it is because they have too much food. Much like the bristle worms, they will adjust their numbers to match the available food. Decrease feedings/increase detritus removal via water changes, and their numbers will decrease all on their own.
 
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