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One largest species of sponge, it grows at depths of 10 metres and it can grow between 60 cm and 1.8 m. It is found in many tropical water climates, specifically the Caribbean.
The cardiovascular system of the giant barrel sponge
The Giant Barrel Sponge lacks a cardiovascular system. Nutrients travel throughout porous openings within the Sponge itself by the process of diffusion. It has a water based circulatory system.