Show facts fact about sponges sponge sponges are very irregular in form symmetrical ones being rare and their color Is as variable as their shape deep sea sponges like other animals that live in the dark are generally 11 UM lit in color but those that live in shallow water are very bright and the color assumed by the sponge Is generally for purposes of defense or to frig frighten liten away other animals sponges are very abundant in the australian seas especially is this the case with the horny or highest form of sponges |