Apparently, even fish want to break the rules sometimes.
After spending weeks and months swimming in the open sea, mature Atlantic bluefin tuna return to the area where they first hatched. They do so in order to spawn, or reproduce. These bluefin tuna are divided into two groups: western Atlantic bluefins and eastern Atlantic bluefins. When it’s time to mate, the mature westerners head toward the Gulf of Mexico, while the mature easterners return to the Mediterranean.
But a new study shows that when bluefins are young, they don’t always stick to their side of the ocean. Scientists found that juvenile bluefins like to socialize on both sides of the Atlantic. To these young fish, the ocean is just one gigantic aquarium.
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