The genus name Spongiforma refers to the sponge-like nature of the fruit body, while the specific epithetsquarepantsii denotes the resemblance to the well-known cartoon character.
From the en.wikipedia.org
Shrimps of the genus Synalpheus form colonies in sponges, and each shrimp species inhabits a different sponge species, making Synalpheus one of the most diverse crustacean genera.