Talk:Saiko Yonebayashi/@comment-27063283-20151017111759/@comment-68.32.116.146-20151020010703

Looks like a sea cucumber to me. This is a photo of one with the tendrils out.

https://featuredcreature.com/wp-content/uploads/2013/05/128934209.jpg

There are other species with nobs similar to the ones on Saiko's kagune.