Spotted eel, Dimaniyat Islands, Gulf of Oman, Oman, Middle East

Diver and Hawksbill turtle, Dimaniyat Islands, Gulf of Oman, Oman, Middle East

Hundreds of southern elephant seals (Mirounga leonina) hauled out onto the breeding beach at Gold Harbour, South Georgia, Polar Regions

Pregnant female southern elephant seal (Mirounga leonina) giving birth on the beach in Stromness Bay, South Georgia Island

Adult Grey-headed Albatross (Thalassarche chrysostoma) resting on the sea at Elsehul, South Georgia

Adult bearded seal (Erignathus barbatus) hauled out on the ice in the Svalbard Archipelago, Norway

Digital nomad with laptop on veranda of tiny log house

Precise measurement of the leg length of a Blue Petrel (Halobaena caerulea) after banding, as part of an annual monitoring program over several decades on ile Verte. Gulf of Morbihan, Kerguelen archipelago.

Receiver immersion for 1 year. A scientific team installs submerged devices to track trout movements and analyze their exploratory nature. Kerguelen Archipelago.

Angling. The same scientific team catches 50 trout in order to fit them with tiny transmitters, which will be detected by the receivers in image no. 2606299. Kerguelen Archipelago.

Counting Kerguelen Cormorants (Leucocarbo verrucosus) from a distance using a spotting scope, as part of a long-term population monitoring program. Pointe Suzanne, Prince of Wales peninsula, Kerguelen archipelago.

Tracer tag on a trout. Trout were introduced to the archipelago in the 1960s. Irish Bay, Kerguelen Archipelago.

Installation of the workshop. Juvenile trout fishing workshop, to perpetuate genetic monitoring since the introduction of trout. Kerguelen Archipelago.

Numbering of trout fin samples. Numbering of scale samples for genetic monitoring. Mission preparation must be perfect. Because once in the field, nothing must be missing, not even the pencil: the only pencil capable of writing on the pockets containing the samples. Kerguelen Archipelago.

Coral nursery monitoring in Mayotte lagoon