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Orange roughy are generally sluggish and demersal; they form aggregations with a natural population density of up to 2.5 fish per m 2, now reduced to about 1.0 per m 2. These aggregations form in and around geologic structures, such as undersea canyons and seamounts, where water movement and mixing is high, ensuring dense prey concentrations.
The orange roughy's metabolic phases are thought to be related to seasonal variations in the fish's prey concentrations, with the inactive phase being a means to conserve energy during lean periods. Slimeheads are pelagic spawners; that is, spawning aggregations are formed and the fish release eggs and sperm en masse directly into the water.
Orange Roughies is a New Zealand television drama created by Auckland-based film company Screenworks, the first season of which was screened on TV ONE from May to July 2006. The second season was due to be shown some time between October 2006 and January 2007, but due to poor ratings the programme was taken off the air.
The alfonsinos and orange roughy are of a different interest to humans, targeted by deepwater commercial fisheries. Increased catches could lead to steep population declines for these species as their extended lifespans make them vulnerable to overfishing. The orange roughy, for example, can live up to 149 years, but takes anywhere from 23 to ...
The orange roughy, a.k.a. deep sea perch; The splendid sea perch; The red sea perch, Lutjanus argentimaculatus; The Waigieu seaperch; The bluestripe snapper, a.k.a. bluestripe sea perch; The striped surfperch, Embiotoca lateralis, also called the striped seaperch; The swallowtail sea perch
Oceana claims that escolar has been mislabeled or otherwise confused with the following fish: Atlantic cod, oilfish (related to escolar but in a different genus), rudderfish, blue cod, black cod, king tuna, grouper, orange roughy, sea bass, gemfish, Chilean sea bass, albacore tuna, and white tuna. [11]
Aulotrachichthys heptalepis (Gon, 1984) (Hawaiian luminous roughy) Aulotrachichthys latus (Fowler, 1938) (Philippine luminous roughy) Aulotrachichthys novaezelandicus (Kotlyar, 1980) (New Zealand roughy) Aulotrachichthys prosthemius (D. S. Jordan & Fowler, 1902) (West Pacific luminous roughy) Aulotrachichthys pulsator M. F. Gomon & Kuiter, 1987 ...
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