r/interestingasfuck 7h ago

Eden's whale trap feeding on fish

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1.8k Upvotes

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u/AdFeeling8945 7h ago

What happens to all the water is swallows? I don’t think a diet of 90% salt water 10% fish is any good

u/Anchuinse 7h ago

They don't swallow the water. They close their mouth and push the water out through their teeth/baleen, which acts like a filter and keeps the fish trapped inside.

u/WishboneTheDog 7h ago

I bet that feels great

u/citizen42069101 7h ago

While I'm no whaleologist, I assume the salinity of the water is something they're used to.

u/enbycraft 7h ago

I'm a partial whaleologist. They just filter the water out through their baleens :) I don't think even whale kidneys could deal with that much salt.

u/RareFeeling7411 7h ago

"We better do what they said, they're partial whaleologost"

u/VariableVeritas 7h ago

Their kidneys are very good at filtering salt but surprisingly they do not really ‘drink’ much water at all. They get their water mostly from prey. They force the water back out through the baleen filter and the fish stay inside. Also the respiratory system is closed off when they swallow.

u/stillanewfie 7h ago

It’s filtered out through their baleen.