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Some people have posted pictures in the thread now, and it looks like you might be correct. Seems odd - the blowhole is analogous to a nostril. Sucking something against your nose a swimming seems like it would be uncomfortable.
Fashion is almost always uncomfortable
Beauty is pain; and pain beauty.
Correct! High heels are seldom comfortable and rarely rational.
Maybe the orcas are trying to show off that they are hard and can hold their breath longer?