Sea Sponge (*Porifera*)
Soft skeleton of a common sea sponge
Sea sponges can live in almost any marine environment at any depth and temperature, and some can live for thousands of years. Some sponges can even be found in freshwater environments.
The study of sponges is known as "spongiology."
More info on this species here: https://en.wikipedia.org/wiki/Sponge#Sponge_loop
Accession number: 261.84
Captured with an Artec Spider 3D Scanner
https://www.artec3d.com/portable-3d-scanners/artec-spider-v2