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Hoplostethus atlanticus Collett, 1889

Orange roughy
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Native range | All suitable habitat | Point map | Year 2050
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Hoplostethus atlanticus   AquaMaps   Data sources: GBIF OBIS
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Image of Hoplostethus atlanticus (Orange roughy)
Hoplostethus atlanticus
Picture by Orlov, A.

Iceland country information

Common names: Búrfiskur
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 4784.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ic.html
National Fisheries Authority: http://brunnur.stjr.is/interpro/sjavarutv/english.nsf/pages/front
Occurrences: Occurrences Point map
Main Ref: Jonsson, G., 1992
National Database:

Common names from other countries

Hoplostète orange, Reloj anaranjado, Большеголов атлантический (=берикс исландский), ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Trachichthyiformes (Roughies) > Trachichthyidae (Slimeheads)
Etymology: Hoplostethus: Greek, hoplon = weapon + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ekologi

marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 180 - 1809 m (Ref. 6390), usually 400 - 900 m (Ref. 3583).   Deep-water; 3°C - 9°C (Ref. 36694); 65°N - 56°S, 84°W - 168°W

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Atlantic: Gulf of Maine (Ref. 4784) [in error according to Moore (Fishes of the Gulf of Maine, in press), should be off northern Nova Scotia]. Eastern Atlantic: Iceland to Morocco; Walvis Bay, Namibia to off Durban, South Africa. Indo-Pacific: south-central Indian Ocean and New Zealand. Eastern Pacific: Chile (Ref. 27363). Several stocks may exist as suggested by distinct spawning sites and seasons.

Length at first maturity / Size / Vikt / Age

Maturity: Lm 34.5, range 18 - 32.5 cm
Max length : 75.0 cm TL hane/ej könsbestämd; (Ref. 36696); common length : 40.0 cm TL hane/ej könsbestämd; (Ref. 4181); publicerad maxvikt: 7.0 kg (Ref. 36697); rapporterad maxålder: 149 år (Ref. 3680)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 4 - 6; Mjukstrålar i ryggfenan (totalt) : 15 - 19; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 10 - 12. Bright brick-red in color, mouth and gill cavity bluish black (Ref. 4181). Ventral scutes: 19-25.

Biologi     Ordlista (t.ex. epibenthic)

Inhabits deep, cold waters over steep continental slopes, ocean ridges and sea-mounts. Shallow range of usual occurrence from Ref. 27121. Appears to be dispersed over both rough bottoms and steep, rough grounds where it feeds on crustaceans and fish. In New Zealand, the main prey include mesopelagic and benthopelagic prawns, fish, and squid, with other organisms such as mysids, amphipods and euphausiids occasionally being important (Ref. 9072). Juveniles feed mainly on crustaceans (Ref. 27075, 27076). Grows very slowly and is one of the longest lived fish species known. Based on parasite and trace-element analyses, orange roughy is a sedentary species with little movement between fish-management zones (Ref. 27089). Little is known of the larvae and juveniles which are probably confined to deep water (Ref. 27088). The fishery targets sporadically formed dense spawning and non-spawning aggregations. Marketed fresh and frozen; eaten steamed, fried, microwaved and baked (Ref. 9988). Because of severe overfishing the species has been listed as threatened by the Australian Government in 2006.

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Orange roughy are synchronous annual spawners (Ref. 7030). They form dense spawning aggregations over sea hills and slopes. Eggs and sperms are shed into the water at the same time. Individual males appear to spawn over a 1-2 week period and females spawn for up to 1 week. Little is known of the larvae and juveniles.

Main reference Upload your references | referenser | Koordinator : Moore, Jon A. | Medarbetare

Maul, G.E., 1986. Trachichthyidae. p. 749-752. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 2. (Ref. 4784)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: kommersiellt viktig
FAO(fiskeri: produktion, species profile; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
Ekologi
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
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Egg(s)
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Larver
Larvdynamik
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Toxicities (LC50s)
Genetics
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Vattenbruksprofiler
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Stamps, coins, misc.
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Taxonomy
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synonymer
Morfologi
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References
referenser

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Internet-källor

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Estimates based on models

Preferred temperature (Ref. 115969): 3.5 - 8.4, mean 6.6 (based on 754 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01607 - 0.03118), b=3.08 (2.98 - 3.18), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trofisk nivå (Ref. 69278):  4.3   ±0.1 se; based on diet studies.
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (K=0.04-0.06; tm=5-33; tmax=140; Fec=10,000).
Prior r = 0.07, 95% CL = 0.05 - 0.11, Based on 3 full stock assessments.
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100).
Climate Vulnerability (Ref. 125649):  Moderate to high vulnerability (54 of 100).
Price category (Ref. 80766):   Medium.