ID needed for these brown things

[Journeyman]

Hi anybody know what these are and do I remove or leave them in the sump, tank busy cycling but these hitched from previous owner in the sump.

 

[Dazz07]

here you go bud https://www.google.com/search?sca_e...0HHeaIAd8Q0pQJegQIDBAB&biw=1920&bih=963&dpr=1

 

[Journeyman]

here you go bud https://www.google.com/search?sca_e...0HHeaIAd8Q0pQJegQIDBAB&biw=1920&bih=963&dpr=1

Thanks, make sense as the tank is cycling will check tonight if they still at the same spot.

 

[Journeyman]

Seems something soft and came off easy are they tunicates?