I’ve been looking up about Orcas, and I realized, how the hell do fish know where they are going in the middle of the ocean when there are no physical markers? It’s just water in every direction and depths so deep you cant see the bottom. I need google maps and I’ll still get lost. Is it something about magnets?
In: Biology
Fish have what is called a “lateral line,” an organ which tells them about the surrounding environment – including which way is up. It also allows them to detect vibrations in the water so they can school with other fish and potentially detect predators. This could be thought of like the inner ear in humans which provides balance.
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