Student Project Figures Figure 5 Figure 5 | Left: Aulactinia veratra adhered in a crevice with extended tentacles in the water column at an outgoing tide, Right: Aulactinia veratra retracted into the body column at low tide. Sand and shell material can be seen adhering to the column wall of the organisms by longitudinal verrucae. Point Cartwright, Queensland. Figure 4 Figure 5