Tony Wu / Developing eggs of Fat greenling (Hexagrammos otakii) Miyagi Prefecture, Japan. Pacific Ocean.

Magnus Lundgren / Wild Wonders of China / Spotty-bellied greenling (Hexagrammos agrammus), Bohai Sea, Yellow Sea. Zhifu Island, Shandong Province, China.

Magnus Lundgren / Wild Wonders of China / Spotty-bellied greenling (Hexagrammos agrammus), Bohai Sea, Yellow Sea. Zhifu Island, Shandong Province, China.

Ashley Cooper / Man with a Ling Cod (Ophiodon elongatus) caught during sport fishing, Seward, Alaska, USA, September.

Franco Banfi / Kelp greenling (Hexagrammos decagrammus) Vancouver Island, British Columbia, Canada, Pacific Ocean

Pascal Kobeh / Kelp greenling (Hexagrammos decagrammus), Alaska, USA, Gulf of Alaska. Pacific ocean.

Fred Bavendam / Kelp Greenling (Hexagrammos decagrammus), Quadra Island, British Columbia, Canada

Fred Bavendam / Lingcod (Ophiodon elongatus) in between rocks, Quadra Island, British Columbia, Canada

Fred Bavendam / Lingcod (Ophiodon elongatus), Quadra Island, British Columbia, Canada

Norbert Wu / Lingcod (Ophiodon elongatus) portrait, Vancouver Island, British Columbia, Canada

Norbert Wu / Leech (Notostomobdella cyclostoma) on the eye of a Lingcod (Ophiodon elongatus), Vancouver Island, British Columbia, Canada

Norbert Wu / Painted Greenling (Oxylebius pictus) hides in Sea Anemone for protection, California