If you get the chance to try it, you should give it a go. Raw orange roughy flesh is pearly white, and it cooks up to an opaque white.The skin side of the fillets often sports a faint, orange-brown band of color. It is important to commercial deep-trawl fisheries. In 2010, Greenpeace International added orange roughy (deep sea perch) to its seafood red list, which contains fish generally sourced from unsustainable fisheries. The fish is a bright, brick-red color, fading to a yellowish-orange after death. All rights reserved.  Compared to most edible fish, orange roughy are a very poor source of omega-3 fatty acids, averaging less than 3.5 g/kg.  "Orange roughy" was renamed from the less gastronomically-appealing "slime head" through a US National Marine Fisheries Service program during the late 1970s, which identified (then) underused species that should be renamed to make them more marketable. Can deep water fisheries be managed sustainably? This accounts for 95% of the total estimated global catch of orange roughy. They are also 3 fish that a new study, released in the journal “Science,” says are part of the 63% of the sea’s fish that are in danger and below healthy levels. A key factor was the use of new acoustic technology, developed by the fishing industry, in recent surveys. The average commercial catch size is commonly between 35 and 45 centimetres (14 and 18 in) in length, again, varying by area. , Orange roughy are oceanodromous (wholly marine), pelagic spawners: that is, they migrate several hundred kilometers between localized spawning and feeding areas each year and form large spawning aggregations (possibly segregated according to gender) wherein the fish release large, spherical eggs 2.25 mm (0.089 in) in diameter, made buoyant by an orange-red oil globule) and sperm en masse directly into the water. Orange roughy has a mild, delicate flavor and moist, large-flaked meat that holds together well after cooking. Predators include large, deep-roving sharks, cutthroat eels, merluccid hakes, and snake mackerels. Under this system, individuals or companies own quota shares for a stock of a particular species or species group. Diversified Communications | 121 Free Street, Portland, ME 04101 | +1 207-842-5500. Hydroelectric power plants taking bigger toll on fish than expected, US Army Corps of Engineers rejects Pebble Mine permit application, likely killing project, Why Africa’s small-scale fisheries “may not count”, Trans-Ocean Products Inc. recognized with MSC US Ocean Champion Award, DSAR Requests / Do Not Sell My Personal Info. & Maxwell, S.M.  It was the first commercially sought fish to appear on Australia's endangered species list because of overfishing. Orange roughy Why it's bad: Orange Roughy has been so overfished that many restaurant chains still refuse to serve it. The aggregations are not necessarily for spawning or feeding; the fish are thought to cycle through metabolicphases (active or feeding and inactive or resting) and seek ar… The sea bass has been a popular fish on menus throughout the United States since the 90s. For each stock, a Total Allowable Catch (TAC) is set which maintains the stock at or above a level that can produce the maximum sustainable yield or will move the stock towards that level. The TACs for these stocks were subsequently increased. Historically, the United States has been the largest consumer of orange roughy, however, in recent years, the market for orange roughy in China has increased significantly. The AOS also has the potential to allow scientists to see in real-time video, what is being measured by the survey. The multi-frequency acoustic optical system (AOS) enables scientists to differentiate the types of fish acoustically ‘seen’ during the survey and works on slopes that previously made effective surveying impossible in some areas. It is similar to orange roughy. The stock assessments used data collected by research surveys carried out by research organizations and the fishing industry. They lose almost all pigmentation while inactive, when they are very approachable. Based on this output, the fishing industry agreed to aim to maintain the orange roughy stocks within a management target range of 30–50% of the unfished biomass. Catch limits for those fisheries are currently consistent with the outputs of the agreed Harvest Control Rule. This was due to strict interpretation of the Fisheries Act which required an accurate estimation of the biomass that could support the maximum sustainable yield.  Orange roughy caught near Tasmania have been aged at 250 years. The lateral line is uninterrupted, with 28 to 32 scales whose spinules or 'ctenii' largely obscure the lateral line's pores. The 19 to 25 ventral scutes (modified scales) form a hard, bony median ridge between the pelvic fins and anus. The orange roughy (Hoplostethus atlanticus), also known as the red roughy, slimehead and deep sea perch, is a relatively large deep-sea fish belonging to the slimehead family (Trachichthyidae).  In 2014, the US imported around 1,455 tonnes (4.4 million lb) (mainly fillets) from New Zealand, China, Peru and Indonesia.