Daniel Pauly is a French-born marine biologist, well known for his work in studying human impacts on global fisheries and in 2020 was the most cited fisheries scientist in the world. He is a professor
Fishing down the food web is the process whereby fisheries in a given ecosystem, "having depleted the large predatory fish on top of the food web, turn to increasingly smaller species, finally ending
Fishing down the food web
The mean trophic level of the world fisheries catch has steadily declined because many high trophic level fish, such as this tuna, have been overfished.
Fishermen are increasingly targeting lower trophic level fish, like these anchovies and other forage fish.
According to Daniel Pauly, if the trend continues, consumers may be eating jellyfish sandwiches.