This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionMarmara Fish.jpg
English: In the summer of 2021, the Marmara Sea in Turkey went through a devastating environmental crisis due to sea mucilage. Choking off the entire sea, native fish populations dropped drastically. This photo was taken off the coast of the Avsa Island in Turkey, showcasing the spiderweb of algae that killed off most of the marine ecosystem and a lonely fish.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue