Wow, this is a great idea to defray the costs of fish farming!
“BOSTON (AP) – Call them Pavlov’s fish: Scientists are testing a plan to train fish to catch themselves by swimming into a net when they hear a tone that signals feeding time.
If it works, the system could eventually allow black sea bass to be released into the open ocean, where they would grow to market size, then swim into an underwater cage to be harvested when they hear the signal.”
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