Rufescent Tiger-Heron, Tigrisoma lineatum, Eating Red belly piranha, pygocentrus nattereri, Pousada Sao Francisco, Miranda, Mato Grosso do Sul, Pantanal, Brazil.

Green Kingfisher, Chloroceryle americana, eating piranha, Serrasalmus marginatus, Pousada Sao Francisco, Miranda, Mato Grosso do Sul, Pantanal, Brazil.

Mating Grass Squid, Pickfordiateunthis pulchella, Angra, Rio de Janeiro, Brazil.

Mating Grass Squid, Pickfordiateunthis pulchella, Angra, Rio de Janeiro, Brazil.

Male Two spot clingfish, Diplecogaster bimaculatus, Egg guarding, Behavior, Bergen, Hordaland, Norway, North Atlantic Ocean.

Sepietta oweniana, Vatlestraumen, Bergen, Norway, North Atlantic Ocean.

Diver and Guelly Jack, Pseudocaranx dentex, in cave, El Hierro, Canary Islands, Spain, Atlantic Ocean

Guelly Jack, Pseudocaranx dentex, in cave, Circling, anti predator behavior, El Hierro, Canary Islands, Spain, Atlantic Ocean

Guelly Jack, Pseudocaranx dentex, in cave, Circling, anti predator behavior, El Hierro, Canary Islands, Spain, Atlantic Ocean

Guelly Jack, Pseudocaranx dentex, in cave, Circling, anti predator behavior, El Hierro, Canary Islands, Spain, Atlantic Ocean

Annulobalcis aurisflamma, an ectoparasite on the crinoid, Tropiometra carinata, Angra, Rio de Janeiro, Brazil.

Green Kingfisher, Chloroceryle americana, catching piranha, Serrasalmus marginatus, Pousada Sao Francisco, Miranda, Mato Grosso do Sul, Pantanal, Brazil.

Piraputanga, Brycon microlepis, Brycon hilarii, Portrait, Rio Formosa, Bonito, Mato Grosso do Sul, Brazil.

European otter, Lutra lutra, with Black Goby, Gobius niger, Near threatened, IUCN RED LISTED, Nærøyfjorden, Gudvangen, Aurland, Sogn og Fjordane, Norway, North Atlantic Ocean.

Greater Rhea, Rhea americana, Pousada Sao Francisco, Miranda, Mato Grosso do Sul, Pantanal, Brazil.

Great Egret, Ardea alba, also known as the Great White Egret or Common Egret, Fishing behavior, Cabo Frio, Rio de Janeiro, Brazil.

Great Egret, Ardea alba, also known as the Great White Egret or Common Egret, Fishing behavior, Cabo Frio, Rio de Janeiro, Brazil.

Great Egret, Ardea alba, also known as the Great White Egret or Common Egret, Fishing behavior, Cabo Frio, Rio de Janeiro, Brazil.

Sea grass og Big-eye trevally, Caranx sexfasciatus, Onemoba'a, Tomia, Kepulauan Wakatobi National park, Southeast Sulawesi, Indonesia, Banda Sea, Indian Ocean.

Blackfin Sweeper, Pempheris japonica, Softcoral, Dendronephthya sp., Little Munsom, Seogwipo, Jeju-do, Cheju Island, South Korea.

Black-banded blenny, Dandy blenny, Petroscirtes breviceps, Male spawning display, Supsom, Seogwipo, Jeju-do, Cheju Island, South Korea.

Plumose anemones, Metridium senile, Saithe, Pollock, Pollachius virens, and green sea urchin, Strongylocentrotus droebachiensis, Raftsundet, Hadsel, Nordland, Norway.

Norway redfish, Sebastes viviparus, with parasitic icopepod, Takvam, Sørfjorden, Bergen, Norway.

Osterøy bridge, Two spot goby, Gobiusculus flavescens, and Vase tunicate, Ciona intestinalis, Sørfjorden, Bergen, Hordaland, Norway

Sepietta oweniana, Digging behavior, Takvam, Sørfjorden, Bergen, Norway.

Seacucumber, Stichopus tremulus, spawning behavior, Takvam, Sørfjorden, Bergen, Hordaland, Norway.

Seacucumber, Stichopus tremulus, spawning behavior, Takvam, Sørfjorden, Bergen, Hordaland, Norway.

Hyperid amphipod, Hyperia galba, on Moon jellyfish, Aurelia aurita, Endo parasite, Sørfjorden, Takvam, Bergen, Hordaland, Norway.

Diver and school of Bastard grunt, Pomadasys incisus, Puerto de Mogan, Gran Canaria, Canary Islands, Spain.

Diver and school of Bastard grunt, Pomadasys incisus, Puerto de Mogan, Gran Canaria, Canary Islands, Spain.

Diver and school of Bastard grunt, Pomadasys incisus, Puerto de Mogan, Gran Canaria, Canary Islands, Spain.

Box crabs, Shame-faced crabs, Calappa sp., Puerto Mogan, Gran Canaria, Canary Islands, Spain.

Hairy British squat Lobster, Galathea nexa, moulting, Vågan, Nordland, Norway.

Hairy British squat Lobster, Galathea nexa, moulting, Vågan, Nordland, Norway.

Parasitic Hyperid amphipod, Hyperia sp, on lobed comb jelly, Bolinopsis infundibulum, Takvam, Sørfjorden, Bergen, Norway.

Crystal goby, Crystallogobius linearis, with copepod parasite, Takvam, Sørfjorden, Bergen, Norway.

Crystal goby, Crystallogobius linearis, with copepod parasite, Takvam, Sørfjorden, Bergen, Norway.

Hyperid amphipod, Hyperia sp. on Blue lionmane jellyfish, Cyanea lamarckii, Parasitic, Symbiosis, Øygarden, Hordaland, Norway.

Hyperid amphipod, Hyperia sp. on Blue lionmane jellyfish, Cyanea lamarckii, Parasitic, Symbiosis, Øygarden, Hordaland, Norway.

Hyperid amphipod, Hyperia sp. on Blue lionmane jellyfish, Cyanea lamarckii, Parasitic, Symbiosis, Øygarden, Hordaland, Norway.

Hyperid amphipod, Hyperia sp. on Blue lionmane jellyfish, Cyanea lamarckii, Parasitic, Symbiosis, Øygarden, Hordaland, Norway.

Hyperid amphipod, Hyperia sp. on Blue lionmane jellyfish, Cyanea lamarckii, Parasitic, Symbiosis, Øygarden, Hordaland, Norway.

Egg clutches of Loligo sp., Nærøyfjorden, Aurland, Sogn og Fjordane, Norway, North Atlantic Ocean.

Painted goby larvae, Pomatoschistus pictus, Hatching larvae, Behavior, Øygarden, Hordaland, Norway, North Atlantic Ocean

Diver and Barrel Jellyfish, Rhizostoma octopus, Puerto Mogan, Gran Canaria.

Diver and Barrel Jellyfish, Rhizostoma octopus, Puerto Mogan, Gran Canaria.

Barrel Jellyfish, Rhizostoma octopus, Puerto Mogan, Gran Canaria.

Diver and school of Bastard grunt, Pomadasys incisus, Pasito Blanco, Gran Canaria.