Photo of Animalia: species: Unidentified vermetid (Lizard Island Field Guide)

Part of a colony of Unidentified vermetid at High Rock near Lizard Island. The colony is a branching structure about 25 cm long that protrudes horizontally from the reef slope. Aperture diameter is about 3.5 mm (fingernail is 1 cm wide).

© Anne Hoggett