Methane bubbles escaping a cold seep in front of a diversity of sponges, corals, anemones, and more during Dive 14 of the Seascape Alaska 5 Expedition. This dive took place at the Chatham seep offshore southeastern Alaska.
Methane Bubbles
Image courtesy of NOAA Ocean Exploration, Seascape Alaska. Download larger version (jpg, 10.5 MB).

Methane bubbles escaping a cold seep in front of a diversity of sponges, corals, anemones, and more during Dive 14 of the Seascape Alaska 5 Expedition. This dive took place at the Chatham seep offshore southeastern Alaska.