The polyps also feed by capturing tiny particles using their tentacles.

If the Doctor were able to use his tentacles.

They also sift through the bottom sediments using their tentacles.

They use their bushy tentacles to capture detritus and plankton from the water column.

He sometimes uses his tentacles to steal from vending machines.

Jellyfish also use their tentacles to capture larger prey.

Many settled bottom organisms use their tentacles to catch planktonic food.

The other pushed itself back to its feet, using its tentacles.

Nobody suspected that he would have a way to cause instant death using his tentacles.

They're very different but very roughly the same size and shape, so long as Tobrush doesn't use his tentacles.