Smaller fishes reproduce faster and in greater numbers so most of deaths are probably fish like anchovies and minnows that go mostly to a variety of processed fish products and cat food
Have you seen what primarily seafood eating cultures consume? There’s a lot instances of a large fish like a tuna being shared amongst many, or even something like a salmon that can feed one. When my in laws would prepare a meal it would usually be 50+ smaller fish or crabs for 4 people
In South India, The Indian oil Sardine fish is something people eat like 5+ fish/meal.
People under estimate how much fish is sold and eaten. There are also other kinds of fish available in Bangalore they come like $1.5/kg. They are basically the 'Chinese Pomfret', they are mostly found in lakes formed around water bodies downstream to dam spillways. These are almost algae to protein conversion organism. Their only cost is cost of transportation. You need to see just how much people eat this. The fact they are also by many a definition way more cheaper than even vegetables.
I once ordered a sampler plate at a Korean place and ate a bunch of what I thought were little noodles, but quickly realized were tiny fish. So I probably ate 20 or 30 fish that day and brought the average up a bit.
