Norbert Wu / Blue Rockfish (Sebastes mystinus) schools under kelp forest canopy, Monterey, California

Ralph Pace / Blue Rockfish (Sebastes mystinus) school, Monterey Bay, California

Magnus Lundgren / Wild Wonders of China / Marbled rockfish (Sebastiscus marmoratus) along the shore of Sai Kung East Country Park, Hong Kong, China.

Magnus Lundgren / Wild Wonders of China / Marbled rockfish (Sebastiscus marmoratus) close up of spines, along the shore of Sai Kung East Country Park, Hong Kong, China.

Magnus Lundgren / Wild Wonders of China / Marbled rockfish (Sebastiscus marmoratus) camouflaged in coral, Ninepin Group or Kwo Chau Islands, Sai Kung District, Hong Kong, China.

Magnus Lundgren / Wild Wonders of China / Marbled rockfish (Sebastiscus marmoratus) Sharp Island, Hong Kong, China.

Richard Herrmann / Blue Rockfish (Sebastes mystinus) school predating Pacific Sea Nettle (Chrysaora fuscescens), Monterey Bay, California

Richard Herrmann / Splitnose Rockfish (Sebastes diploproa) young using drifting Giant Kelp (Macrocystis pyrifera) as shelter, San Diego, California

Richard Robinson / Jock stewart (Helicolenus percoides), Dusky Sound, Fiordland National Park, New Zealand. April.

Richard Robinson / Jock stewart (Helicolenus percoides) Dusky Sound, Fiordland National Park, New Zealand. April.

Richard Robinson / Jock Stewart, Sea Perch (Helicolenus percoides) Dusky Sound, Fiordland National Park, New Zealand. April.

Richard Robinson / Jock stewart (Helicolenus percoides) in Doubtful Sound, Fiordland National Park, New Zealand. April.

Richard Robinson / Jock Stewart (Helicolenus percoides) in Doubtful Sound, Fiordland National Park, New Zealand. April.

Richard Robinson / Jock stewart / sea perch (Helicolenus percoides) in Doubtful Sound, Fiordland National Park, New Zealand.

Fred Bavendam / China Rockfish (Sebastes nebulosus), British Columbia, Canada

Fred Bavendam / Tiger Rockfish (Sebastes nigrocinctus), Quadra Island, British Columbia, Canada

Norbert Wu / Blue Rockfish (Sebastes mystinus) school swimming near underwater pinnacle, Monterey, California

Norbert Wu / Yellowtail Rockfish (Sebastes flavidus) and Widow Rockfish (Sebastes entomelas), Vancouver Island, Canada

Norbert Wu / Tiger Rockfish (Sebastes nigrocinctus), Vancouver Island, British Columbia, Canada

Norbert Wu / Blue Rockfish (Sebastes mystinus) school under Bull Kelp (Nereocystis luetkeana), Vancouver Island, British Columbia, Canada

Norbert Wu / Quillback Rockfish (Sebastes maliger) amid Frilled Sea Anemones (Metridium senile), the fish live to 95 years, late sexual maturity makes them vulnerable to overfishing, Alaska

Michael Durham / Black Rockfish (Sebastes melanops), native to the Pacific coast of North America, commercial species often sold as Snapper

Norbert Wu / Blue Rockfish (Sebastes mystinus) among kelp forest, Queen Charlotte Islands, Canada

Fred Bavendam / Quillback Rockfish (Sebastes maliger), Vancouver Island, British Columbia, Canada

Fred Bavendam / Copper Rockfish (Sebastes caurinus), Carmel, California

Flip Nicklin / China Rockfish (Sebastes nebulosus), California

Flip Nicklin / Rosy Rockfish (Sebastes rosaceus) underwater, portrait

Flip Nicklin / Tiger Rockfish (Sebastes nigrocinctus) portrait, underwater

Ralph Pace / Copper Rockfish (Sebastes caurinus), San Diego, California

Ralph Pace / Blue Rockfish (Sebastes mystinus) school in kelp forest, Monterey Bay, California

Richard Herrmann / Blue Rockfish (Sebastes mystinus) school, Monterey Bay, California

Richard Herrmann / Blue Rockfish (Sebastes mystinus) school in Giant Kelp (Macrocystis pyrifera) forest, Monterey Bay, California

Richard Herrmann / Blue Rockfish (Sebastes mystinus) predating Pacific Sea Nettle (Chrysaora fuscescens), Monterey Bay, California

Norbert Wu / Blue Rockfish (Sebastes mystinus) school under Bull Kelp (Nereocystis luetkeana) canopy, Vancouver Island, British Columbia, Canada

Norbert Wu / Blue Rockfish (Sebastes mystinus) school under Bull Kelp (Nereocystis luetkeana) canopy, Vancouver Island, British Columbia, Canada