The scientific name of the sea sponge is Porifera. The sea sponge's scientific name refers to something having pores, and sea sponges have many small pores known as ostia.
There are several species of sea sponges, which have a wide range of sizes and colors. The largest sea sponges are referred to as the free-standing type, which also are known to display a great variety of different shapes. Sponges lack guts, and they get nutrients by filtering water and selecting from contained material to survive. Sea sponges are capable of extracting minuscule items, such as bacteria. Water also removes waste from sea sponges.