Figure 1.

The portable surgical unit used for Steller sea lion procedures. (A) Inside view. The unit has one window and standard door, one 2 m wide door to facilitate animal transportation, a stainless steel sink and counter top, and is outfitted with hook-ups for electricity and running water, heating and ventilation, folding work benches, surgical cold light source, a wheeled, adjustable height stainless steel surgical table, and a portable anesthesia machine. (B) The surgical unit located at the quarantined holding facility of the Alaska Sea Life Center, and on the rear deck of the research support vessel MV Norseman (C).