1. Sorbonne Université, CNRS Laboratoire d'Océanographie de Villefranche (UMR 7093) Villefranche‐sur‐mer 06230 France
2. Ifremer, DYNECO Plouzané F‐29280 France
3. Ifremer PFOM Plouzané F‐29280 France
4. Department of Plant Biology and Ecology University of the Basque Country UPV/EHU Leioa 48940 Spain
5. Research Centre for Experimental Marine Biology and Biotechnology (Plentzia Marine Station, PiE‐ UPV/EHU) Plentzia 48620 Spain
6. Ifremer, LGPMM La Tremblade F‐17390 France