The giant barrel sponge is a large sponge that lives on coral reefs around the Caribbean Sea and adjacent waters. Reaching sizes of at least 6 feet (1.8 m) across, this is one of the largest sponge species wherever it lives. Its bowl-shaped body (open at the top, closed at the base) provides habitat for Giant Barrel Sponge Acrylic Print by Matthew Oldfield - Fine Art Giant barrel sponge - Wikipedia Giant Barrel Sponge (Xestospongia muta) - ANGARI Foundation Barrel sponge (Xestospongia testudinaria), one of the largest What Do Sea Sponges Look Like? Giant Barrel Sponge - Underwater Photography by Gunther Deichmann Giant Barrel Sponge (Xestospongia muta) - Spanglers' Scuba The Kelp Forest - Porifera Stock photo of Giant barrel sponge (Xestospongia testudinaria Giant Barrel Sponge Facts: Habitat, Diet, Conservation & More Creature Feature: Caribbean Spiny Lobster - Oceana USA Giant Barrel Sponge (Xestospongia muta) Discovery Bay, Jamaica