•1 min read•from Marine Biology Subreddit
Can marine animals hear the direction of sounds?
Our take
Understanding how marine animals perceive sound direction is crucial for comprehending their behavior and communication. While humans struggle to pinpoint sound origins underwater due to the minimal time delay between eardrums, many marine species, such as fish and cetaceans, have evolved adaptations that enhance their auditory capabilities. These adaptations allow them to detect sound direction more effectively, facilitating navigation, hunting, and social interactions.
I've read online that humans cannot perceive which direction sounds originated from while underwater because the interval between when the sound strikes one eardrum and the contralateral is so narrow that our brains can't discern which one happened first; but is this true for all marine animals? It seems to me like that would be a fairly useful adaptation for fish and cetaceans, but can't exactly poll them to find out.
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#marine science#marine biodiversity#marine life databases#autonomous underwater vehicles#marine animals#sound localization#direction of sounds#cetaceans#fish#aquatic perception#perception underwater#humans#eardrum#sensory perception#contralateral#adaptation#brain discernment#mammals#auditory adaptation#narrow interval