Sponge cells responsible for feeding non-choanocyte cells, generating as well as maintaining mesohyl, and differentiating into other sponge cells.

The amoebacytes are the generalists among sponge cells, performing numerous nonspecialized functions as well as representing those cells within sponges that are responsible for sponge growth, protection, and repair. As such, they are the cells that, more than any other within sponges, are responsible for elevating sponges beyond merely to something that instead can be viewed legitimately as an animal.

Though named after their amoeba-like appearance and functioning, amoebocytes mroe generally can be described as sponge .