Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: Thornback ray (Raja clavata) Site: WC3_N

Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: Spotted ray (Raja montagui) Site: SR2_E

Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: Spotted ray (Raja montagui) Site: WC2_N

Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: Mixed temperate reef species Site: NR1_N

Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: Curled Octopus (Eledone cirrhosa) Site: NR2_N

Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: King scallop (Pecten maximus) Site: WC2B_S

Video excerpts from the University of Plymouth’s towed underwater video survey, carried out as part of the Strategic Environmental Assessment of Wave energy technologies (SEA Wave) project in 2019. Data collection methods detailed in Sheehan et al. (2010): https://doi.org/10.1371/journal.pone.0014461 and Sheehan et al., (2016): https://doi.org/10.1111/2041-210X.12540 Taxon: Ling (Molva molva) Site: SR1_E