Commons:Photo challenge/2026 - May - Oceanography

2026 – May – Oceanography

The new challenge features Oceanography.

Ideally, each submission should contain a summary description of the subject in the file information, including the location of the subject, and relevant categories should be added to the files to enable other Commons users to find them and use them. Please take care not to violate copyright in respect of non-free creative works, and observe our educational project scope and the personality rights of identifiable people, or your files may be subject to deletion.

The challenge will remain open for submissions throughout May AoE.

Checklist for this theme:

Photographs must be the work of the nominator.
Photographs must be newly uploaded to Commons during the challenge submission period i.e. May 2026 AoE (but may have been taken earlier).
Submissions must be added to the top of the "Entries" section below.
Please do not nominate lots of similar photos; instead choose just your best and most varied images.

Add your entry between the <gallery> tags as indicated. Gallery entries are placed each on a new line, and consist of the filename, a vertical bar |, and a description. For example:

Electric steam iron.jpg|An electric steam iron

For help on the syntax of entries in a gallery see Help:Gallery tag. Please do not add square brackets [[ ]] or include a thumb parameter or the full URL. The File: prefix is not required, but harmless.

Restriction: A maximum of four entries can be submitted per photographer.

This challenge has already ended. (refresh)

Examples

Entries

Submit your photos

A rocky seabed in the Tyrrhenian Sea, whose appearance is modified by the texture of the water created by gentle waves
Diving among the reefs
Zebrasoma flavescens - Yellow tang
Leather coral
Pacific lion mane observed at Burrard Inlet.
Pink sea star at the Saint Petersburg Oceanarium.
Black Sea bottlenose dolphins paint at the Karadag Aquarium.
Pacific sea nettles at the Vancouver Aquarium.
People inside the tank of Okinawa Churaumi Aquarium
inside one small tank of Okinawa Churaumi Aquarium
Big and small fish at Okinawa Churaumi Aquarium
A collection of seashells on the Baltic Sea beach at Warnemünde
A colony of herons on the Atlantic coast
A monkfish (Lophius piscatorius) is lying out of the water
Wild jumping dolphin (Tursiops aduncus) photographed in a northwestern part of the Indian Ocean.
Starfish display at the Oceanarium of Vladivostok
Scallop aquaculture display at Asamushi Aquarium
Large tank with a sardine school at Notojima Aquarium
Tsunami experiment tank at Tokai University Marine Science Museum
Sea turtle release
Un bidon, un flotteur, que fait-il ?
Megalodon jaws at American Museum of Natural History
Calliostoma formosense
Sea urchin on the sand in the Persian Gulf.
A specimen of a blue whale
Corals at the Museum of the World Ocean, Kaliningrad
Sperm whale skeleton, Museum of the World Ocean, Kaliningrad
Bivalve clam in the intertidal zone, Tersky Coast of the White Sea
Chamelea gallina shells in the intertidal zone, Tersky Coast of the White Sea
Rotes Meer - Marsa Alam. Hotel The Three Corners Equinox Beach Resort. Ägypten.
Ägypten, Rotes Meer. Das Korallenriff am Grand Makadi Hotel, Makadi Bay.
Former research vessel "Lance" of the Norwegian Polar Institute at the pier of the research station Ny Ålesund, Svalbard, Norway, 1986 (Scan of a slide)
Former research vessel "Gauss" of the Federal Maritime and Hydrographic Agency (BSH), Port of Hamburg, Germany, 2003 (Scan of a slide)
Underwater laboratory "Helgoland", in operation from 1972 to 1981, Meeresmuseum Stalsund, Nautineum Dänholm, Rügen Island, Germany
Hydrological computer equipment (around the late 1980s), Meeresmuseum Stalsund, Nautineum Dänholm, Rügen Island, Germany
Praterie di Posidonia oceanica, fondali oltre la costa di Marciana Marina (Isola d'Elba)
Coral reef under the Arabian Sea
It is a Beach Morning Glory flower that grew on the sandy beach of Lakshadweep, India.
This is a Horned Ghost Crab on the beach of Lakshadweep, India.
The dissection of a beached Sei Whale (Balaenoptera borealis)
A specimen of Japanese giant spider crab (Macrocheira kaempferi).
Penguin at the Tennōji Zoo viewed from below
Piranha, Pygocentrus nattereri in Montreal Biodome (Canada)
A junk tire was trapped on Laomei Green Reef.
Ancient diver in the Museum of the World Ocean
German Wadden Sea at low Tide: clusters of coiled castings of lugworms (Arenicola marina)cover the mud flats and a washed up barrel jellyfish (Rhizostoma pulmo) in the foreground
Laboratory Experiment at Helmholtz Centre for Ocean Research Kiel (GEOMAR): Environmental tolerance of different populations of native Gammarus species
Geomar’s research vessel FS Alkor moored at the quay in the port of Kiel, out of action due to the coronavirus pandemic
The research vessel FS Polarstern of Alfred Wegener Institute for Polar and Marine Research (AWI) in Bremerhaven
A Harbour porpoise (Phocoena phocoena) washed ashore in the North Sea, Rømø island, Denmark
Taken at Blackpool Beach, overlooking the Irish Sea
Bathyplane "Tetis" in the Museum of the World Ocean
Crab (Grapsus tenuicrustatus) on the coast of Salalah, among rocks in the lagoon of the Arabian Sea - part of the Indian Ocean.
Little life trying to survive underwater
More such greens going to retain the water bodies
Too polluted to enter in?
Plastic plastic everywhere
Where the day begins in gold.
Archaephippus Asper, replica
Seagulls circling a Ferry Service from Mumbai Port to Alibaugh in Arabian Sea
The underside of the arm of the starfish Marthasterias glacialis
Hakurei, a marine resource research vessel of Japan Organization for Metals and Energy Security (JOGMEC).
Shell Collection
Thornback ray (Raja clavata), a juvenile seen from below. Bergen, Norway
African penguin colony at Boulders Beach in Simon's Town, South Africa
big white spider conch shell approximately 23 cm long and 17 cm wide
Geomorfologia di un tratto della Costa di Aljezur sull'Oceano Atlantico e presso la foce del fiume Seixe (Portogallo)
Francobollo Italiano del 1978, serie 'il Mare deve vivere', Cernia (Epinephelus marginatus).
Historic specimen of a shark, Strahov Library, Prague
Historic specimens of rays, Strahov Library, Prague
Historic specimens of oceanic creatures, Strahov Library, Prague
Historic specimens of crabs, Strahov Library, Prague
Banded triangle clam (Donax trunculus) on the beach of Sérignan Plage, FR
Mediterranean shore crab (Carcinus aestuarii) on the beach of Sérignan Plage, FR
Pulmonary jellyfish (Rhizostoma pulmo) on the beach at Sérignan Plage, FR
General Sea Fisheries Inspectorate, field office in Ustka seaside resort
Sunrise at Elliot's Beach,Chennai, India
Get set ready for fishing at the sunrise
Ocean viewed from old weathered stone arch
Setting sun in ocean coloring the sky pink
One Shoreline, one fisherman awaiting the catch
Atlantic sturgeon (Acipenser oxyrinchus) in Biodôme de Montréal (Canada)
Small-spotted catshark (Scyliorhinus canicula).- Nausicaá (Boulogne-sur-Mer) France
A group of pelicans and other aquatic birds gathered on some rocks on the shore at the La Jolla Shores Beach.
Ausstellung zu regionalen Sardinenfischerei und -konservierung.
Abandoned Strand Jetty, South Africa: marine life clings to weathered timber where ships once docked.
Gordons Bay Rock pool, showing horizen and beach front in background.
Affluence at the waterline — where property values soar and sewage pipes wash ashore.
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