Orange Roughy are slow growing fish that generally live up to around 150 years old. They reach sexual maturity at 20 to 30 years. These fish live in shoals and inhabit the deep waters of every ocean. High seas fleets have dramatically reduced orange roughy numbers as new fishing technologies provide access to deeper and more distant waters. Originally, the fish was known as “slime head” but it was renamed the more marketable “orange roughy” to appeal to consumers. Today, orange roughy can be bought in fish markets around the world. Along with other deep sea fish species, orange roughy can even be bought online at Amazon.com.