Abundance and distribution of Cereus pedunculatus through time in Langebaan Lagoon. Mean density per m2 (± SE) of C. pedunculatus is shown for the mid-shore of survey areas in 2001, 2013, and 2025. (+) indicates areas where the anemone was documented for the first time in 2025. Letters indicate areas where the anemone was also detected in the high (H) or low (L) shore zones for the first time.