Overfishing
Videos
Overfishing is the removal of aquatic animals—primarily fish—from a body of water at a rate greater than that the species can replenish its population naturally, resulting in the species becoming incr
Jack mackerel caught by a Chilean purse seiner
Fishing down the food web
Darker shades mean less overfishing, lighter shades mean more overfishing. EPI scores range from 1–7; 7=highest level of overfishing.
The Chinese paddlefish, once common to the Yangtze River, has gone extinct due to overfishing and dam construction.
Fishing down the food web
Videos
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
Overfishing
…Jack mackerel caught by a Chilean purse seiner Fishing down the food web Overfishing is the removal of aquatic animals—primarily fish—from a body of water at a rate greater than that the species can replenish its population…
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.