Photo credits

A dusky grouper beside red gorgonians on a wall
by Albert Kok, Public domain. Source: Wikimedia Commons
Used on: Home
A diver hovering in dark water, seen from below
by Fernando Quintela, CC BY-SA 3.0. Source: Wikimedia Commons
Used on: Home
A diver hovering in trim over sand
by sp.bruno, CC BY 3.0. Source: Wikimedia Commons
Used on: Buoyancy & Trim Lab, Skill Labs
A diver swimming over gorgonians in blue water
by Olivier Dugornay (IFREMER), CC BY 4.0. Source: Wikimedia Commons
Used on: Advanced Lab, Skill Labs
A drysuit diver in horizontal trim along a line
by Pbsouthwood, CC BY-SA 3.0. Source: Wikimedia Commons
Used on: Drysuit Skills Lab, Skill Labs