ID hitchhiker in new cycleing tank

[Saltyspatune]

So last night I was topping off my 24 gallon biocube and I seen this on a solitary rock in the front of my tank has anybody ever seen this or had it. The worm is transparent has a white base almost looks fluffy and there are two separate worm coming out of it.

 

[BrunoSnow]

Spionid worms I think

http://www.xtalworld.com/Aquarium/hitchfaq.htm

 

[Saltyspatune]

Spionid worms I think

http://www.xtalworld.com/Aquarium/hitchfaq.htm

Should I remove there are two or three now

 

[BrunoSnow]

They are reef safe and good scavengers don't bother with them they make a part in the biodiversity that whe try to duplicate in our thank

 

[Saltyspatune]

Hi so I am cycling my first tank 24 gallon biocube and have some pests some good some bad I believe the bad ones I have are COLONIAL HYDROIDS I saw one on Saturday now there are several all around the tank just one or two heads on each one they look like this is there anyway of getting rid of them thankyou

 

[BrunoSnow]

Hi, you can use super glue or epoxy to cover them if they are few but read this tread there are good info here

https://www.reef2reef.com/threads/hydroids.284026/

 

[Saltyspatune]

Thank you again here are some actual pictures

 

[Saltyspatune]

Oh I think the last one is some sort of starfish waiting on him to fully exit the rock so I can remove him

 

[BrunoSnow]

In the last one I couldn't tell you exactly what it is but if that is a ofiurus you want to keep to ensure a good cleaning crew if you see 5 tentacles could be a Eunice worm that is not so good

http://www.masa.asn.au/masawiki/index.php/Hitchhikers_Guide_to_the_Reef_Tank