Is this aptisia?

[ShivanshMehra]

Hey everyone,

I have recently seen these in my tank. Can anyone please suggest what this is ?

This is a 4 year old tank with 1 tang, 2 clowns and 2 carpet anemones. Nothing has been introduced in it for months. It is regularly cleaned and managed by my aquarium guy who isnt that good with marine tanks only helps cleaning it as i now reside in another country.

Only change has been the temperature of the environment ( summers).

Any help will be appreciated.

Thanks

 

[paraletho]

Definitely not Aiptasia. They look more like Spaghetti worms harmless sandbed cleaners.