Photo of Animalia: Barrel Sponge (species: Xestospongia testudinaria) (Lizard Island Field Guide)

Photo of Animalia: Barrel Sponge (species: Xestospongia testudinaria)

Two sponges, possibly juvenile Xestospongia testudinaria, about 5 cm diameter near base of reef slope at South Island

© Lyle Vail
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