First, to understand all of this you have to know what over fishing is.
So, what are someways to help over fishing?
The article Overfishing says "Overfishing occurs when fish and other marine species are caught faster than they can reproduce."
Well one way is if you see new types of fish DO NOT eat them because they could be endanger. Look here is sign.
Endangered species!! From "Sustainable fishing methods" "1: Use a rod/ fishing pole som you can easily catch and release. 2: You can harpoon, throw a sharp weapon at the fish. 3: trolling, involves towing individual anchored lines from a moving boat." These are ways to help prevent depletion and over fishing.
The Orange Roughy is an excellent example of fish depletion. In the "World Without Fish novel it says "The large-scale killing of fish that haven't yet reproduced will in time destroy them."
Well, i got these facts from,"how to buy Fresh sustainable sea food", here they are.
What are some ways to buy sustainable fish
From "how to buy fresh sustainable seafood" "1: You can download a app called Monterey Bay Aquarium. 2: look for the Marine stewardship council sticker. 3:You can smell the fish at the store to see if it's fresh. 4:Look at the price. If the fish is cheap it could mean it's old. 5:Be careful what store you buy the fish and ask about questions about the fish."