Submitted by marketrent t3_zbay6a in science
Ichthyologist t1_iysatsr wrote
Reply to comment by mostly_kittens in Narwhals are vulnerable to ocean noise caused by human activities by marketrent
Ah, my mistake. That makes sense. Maybe he said their low gain sonar or something to that effect. I'm going by what I felt and what I remember the seaman telling me six years ago. I'm a biologist, not a sailor.
mostly_kittens t1_iysc3dp wrote
It could have been a low power sonar like an echo sounder.
[deleted] t1_iysh8yf wrote
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