Giant Ridge Sponge - Xestospongia Testudomaria Gravels Sea sponge promotes natural burrowing

Sea sponge promotes natural burrowing behavior and provides essential moisture retention

50+ shells → 25% off

Edges can be smoothed with a nail file

and coloration

this spacious spiral home offers plenty of room to grow and explore

Giant Ridge Sponge - Xestospongia Testudomaria Gravels Sea sponge promotes natural burrowingThe Giant Ridge Sponge (Xestospongia testudomaria) is a premium marine aquarium specimen that combines striking aesthetics with functional filtration. This large barrel sponge features distinctive ridge formations and robust structure, making it an eye catching centerpiece for reef tanks. Perfect for established aquariums with moderate to strong water flow, the Giant Ridge Sponge actively filters water while enhancing biodiversity. Feed regularly with