Orange roughy, once called slimehead, is a deep sea fish that can live to 100 years old! Since they're so slow to grow and to reproduce, they are vulnerable to overfishing. Their populations are now 10-30% or less of historic levels, and they're expected to take decades to recover. Seafood guides recommend avoiding orange roughy, so they have a chance
Orange roughy also carries a health warning due to high levels of mercury.
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