Terrain: GEBCO Bathymetric Compilation Group 2026 — GEBCO_2026 Grid, hosted as a cloud-optimized TIFF by the Australian Antarctic Division. Public domain under GEBCO’s terms. Not for navigation; no endorsement implied.

Microscopy: Allen Institute for Cell Science, distributed by scikit-image under CC0.

Depth: Morona, Pinto & Regner (2026), UE4-Stereo, CC BY 4.0. Unmodified synthetic ground-truth depth accompanying stereo images; display adjustments do not change the source data.