Pete Oxford / Peruvian Grunt (Anisotremus scapularis) school, Galapagos Islands, Ecuador

Claudio Contreras / Porkfish (Anisotremus virginicus) school. Cancun National Park, Caribbean Sea, Mexico.

Pete Oxford / Shoal of Yellowtail Grunts (Anisotremus interruptus) Floreana Island, Galapagos, Equador, Pacific ocean

Franco Banfi / Shoal of colorful yellow fish Panamic porkfish (Anisotremus taeniatus), Cabo Pulmo Marine National Park, Baja California Sur, Mexico

Franco Banfi / Scuba diver with shoal of colorful yellow fish Panamic porkfish (Anisotremus taeniatus), Cabo Pulmo Marine National Park, Baja California Sur, Mexico

Franco Banfi / Scuba diver with shoal of colorful yellow fish Panamic porkfish (Anisotremus taeniatus), Cabo Pulmo Marine National Park, Baja California Sur, Mexico

Franco Banfi / Shoal of colorful yellow fish Panamic porkfish (Anisotremus taeniatus), Cabo Pulmo Marine National Park, Baja California Sur, Mexico

Eladio Fernandez / Coral reef with mixed shoal of fish including Porkfish (Anisotremus virginicus), Bluestriped grunt (Haemulon sciurus), Jardines de la Reina, Cuba

Franco Banfi / Shoal of Back margate (Anisotremus surinamensis) Fernando de Noronha Marine National Park, Brazilian Atlantic Islands UNESCO World Heritage Site, Pernambuco, Brazil, South Atlantic Ocean

Claudio Contreras / Burrito Grunt (Anisotremus interruptus), San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve / Archipielago de Revillagigedo UNESCO Natural World Heritage Site (Socorro Islands), Pacific...

Claudio Contreras / Burrito Grunt (Anisotremus interruptus), San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve / Archipielago de Revillagigedo UNESCO Natural World Heritage Site (Socorro Islands), Pacific...

Franco Banfi / Burrito grunt (Anisotremus interruptus) and scuba divers, Revillagigedo Archipelago Biosphere Reserve, Socorro Islands, Western Mexico

Pete Oxford / Black margate fish (Anisotremus surinamensis) Hol Chan Marine Reserve, Belize.

Franco Banfi / Burrito grunt (Anisotremus interruptus) Galapagos Islands, East Pacific Ocean

Pete Oxford / Black Margate (Anisotremus surinamensis) school, Hol Chan Marine Reserve, Belize

Claudio Contreras / Panamic pork fish (Anisotremus taeniatus), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / Panamic pork fish (Anisotremus taeniatus), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / Burrito grunt (Anisotremus interruptus), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / Porkfish (Anisotremus virginicus), surrounded by mixed shoal of bluestriped grunt (Haemulon sciurus), caesar grunt (Haemulon carbonarium) and sailors choice (Haemulon parra). Cancun National Park, Car...

Claudio Contreras / Porkfish (Anisotremus virginicus). Cancun National Park, Caribbean Sea, Mexico.

Claudio Contreras / Porkfish (Anisotremus virginicus), surrounded by mixed shoal of bluestriped grunt (Haemulon sciurus), caesar grunt (Haemulon carbonarium) and sailors choice (Haemulon parra). Cancun National Park, Car...

Pete Oxford / Black margate (Anisotremus surinamensis) face profile, Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Porkfish (Anisotremus virginicus) Coral Reef Island, Belize Barrier Reef, Belize

Pete Oxford / Yellow-tailed Grunt (Anisotremus interruptus) school off of Wolf Island, Galapagos Islands, Ecuador

Pete Oxford / Shoal of Yellowtail Grunts (Anisotremus interruptus) Floreana Island, Galapagos, Equador, Pacific ocean

Pete Oxford / Two Yellowtail grunt (Anisotremus interruptus) off Wolf Island, Galapagos Islands

Pete Oxford / Two Yellowtail grunt (Anisotremus interruptus) off of Wolf Island, Galapagos Islands

Pete Oxford / Two Yellowtail Grunt (Anisotremus interruptus) off of Wolf Island, Galapagos Islands, Ecuador, South America

Pete Oxford / Yellowtail Grunt (Anisotremus interruptus) off Wolf Island, Galapagos Islands, Ecuador, South America

Pete Oxford / Yellow-tailed Grunt (Anisotremus interruptus), pair, Wolf Island, Galapagos Islands, Ecuador

Pete Oxford / Yellow-tailed Grunt (Anisotremus interruptus), pair, Wolf Island, Galapagos Islands, Ecuador

Doug Perrine / Yellowtail grunt {Anisotremus interruptus} Galapagos

Ralph Pace / Panama Porkfish (Anisotremus taeniatus) school and diver, Cabo Pulmo National Park, Baja California, Mexico

Ralph Pace / Xantic Sargo (Anisotremus davidsonii) school, San Diego, California

Ralph Pace / Xantic Sargo (Anisotremus davidsonii) school, San Diego, California

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) grazing on algae with Peruvian Grunt (Anisotremus scapularis) school behind, Cape Douglas, Fernandina Island, Galapagos Islands, Ecuador

Pete Oxford / Yellow-tailed Grunt (Anisotremus interruptus) school, Rabida Island, Galapagos Islands, Ecuador

Lucas Bustamante / Burrito grunts (Anisotremus interruptus) shoal swimming over seabed, North Seymour Island, Galapagos National Park, Pacific Ocean.

Lucas Bustamante / Burrito grunts (Anisotremus interruptus) schooling under rock, North Seymour Island, Galapagos National Park, Pacific Ocean.

Alex Mustard / School of Burrito grunts (Anisotremus interruptus) huddling together in tight ball, Revillagigedo Islands, Mexico, Pacific Ocean.

Pascal Kobeh / School of Panama / Panamic porkfish (Anisotremus taeniatus) swimming in a tight group over the reef, Sea of Cortez, Baja California, Mexico.

Pascal Kobeh / School of Panama / Panamic porkfish (Anisotremus taeniatus) swimming in a tight group over the reef, Sea of Cortez, Baja California, Mexico.

Henley Spiers / School of Panamic porkfish (Anisotremus taeniatus) swimming in formation, Cabo Pulmo National Park, Baja California Sur, Mexico, Pacific Ocean.

David Fleetham / Porkfish (Anisotremus virginicus) native to the western Atlantic Ocean, in reef off Singer Island, Atlantic Ocean, Florida, USA.

Alex Mustard / Tight school of Peruvian grunt (Anisotremus scapularis). Punta Vincente Roca, Isabela Island, Galapagos National Park, Galapagos Islands. East Pacific Ocean.

Alex Mustard / School of bluestriped grunt (Haemulon sciurus), Schoolmaster snapper (Lutjanus apodus) and Porkfish (Anisotremus virginicus) sheltering beneath the branches of the critically endangered Elkhorn coral...

Shane Gross / Panamic Cushion Sea Star (Pentaceraster cumingi) and a school of Yellow-tailed Grunt (Anisotremus interruptus), Galapagos Island, Ecuador. December.