Mean percent cover (± standard error) of H. perlevis from three sites over two years of monitoring. Note overlap of Azevedo Pond and Kirby Park sponge cover, as both had 0% cover from March 2023 to July 2023.

 
 
  Part of: Hoeke JT, Wasson K, Kahn AS (2025) Temporal patterns of the introduced sponge Hymeniacidon perlevis (Montagu, 1814) in the Elkhorn Slough, California, USA. In: Fowler A, Robinson T, Bortolus A, Canning-Clode J, Therriault T (Eds) Proceedings of the 11th International Conference on Marine Bioinvasions. Aquatic Invasions 20(1): 33-51. https://doi.org/10.3391/ai.2025.20.1.145912