Orange roughy are easy to over fish. So, humans do. But that doesn't seem to be stopping moves to re-define them as 'sustainable' by the Marine Stewardship Council.
True, when we started fishing orange roughy we didn’t know that this slow-growing, long-lived, deep water fish was particularly susceptible. But now we definitely do. Orange roughy can live to a staggering 150 years old, and are at least 30 years old before they are mature enough to breed. To put that into context: there are probably orange roughy alive today that were born when Queen Victoria was on the throne, and they take about 10 times longer to mature than Atlantic cod.
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