Table S1. Principal components analysis (PCA) showing the five factors found and their main components in bold, indicating Laminar area as the most important component in the first factor followed by stipe length in the second factor.

Video S1. Underwater video showing the association between L. abyssalis individuals and the rhodolith beds. Note the holdfast attached to a rhodolith.

PRE_635_sm_TabS1-VideoS1.doc33KSupporting info item
PRE_635_sm_VideoS1.m1v7335KSupporting info item

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