Why do whales eat a huge amount of small fishes instead of a few large ones?

Question

I remember watching a documentary once and learned that whales need to eat tonnes (literally) of krill per day to survive. I don’t understand why this is better than eating small amounts of large fishes instead.

In: 298

Answer 1

Its the way Nature works. Krill are small and plentiful, and scoooping them up on the move is a benefit to a long distance travelling Whale. I read an article recently where the Author reckoned that the Whale population was once in the Millions, and vast amounts of Krill kept global CO2 emissions down by their life pattern eating algae and small organisms. Sharks clean up and scavenge, so everything is a part of the Food Chain somewhere.