My kids ask me if mermaids or unicorns are real. You can imagine the questions in 2050.
Your aqua tank is a small museum.
Just like these grow 3x dinosaurs, there will be grow your own non-edible fish.
2016 - 90% used up fish stocks overfished will be even more by 2025. In 1970s , it was around 40%.
Humor
Try reading this article The truth about shark numbers. Can you imagine an Onion style parody of extinct population? A la passenger pigeon trail. As soon as I come across decline I think its the population, but it is the catch. Unlike a revealing binary this is like the gender hide. Not sure if there is such a thing. But what I mean is that your metric can not come too early to reduce confusion.
Other scenarios
May be fish develop some disease that is harmful to humans but not the species.
If the predators go extinct first say shark. How will that affect fish population?
Whats the safe withdrawal rate again for species? With 6.4% - 7.9% withdrawal rate, the sharks wont last for long. Sharks closer to extinction than thought before
Have you heard the good news about shark population? #Oceanoptimism
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