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Hoplostethus atlanticus Collett, 1889

Orange roughy
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hoplostethus atlanticus   AquaMaps   Data sources: GBIF OBIS
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Image of Hoplostethus atlanticus (Orange roughy)
Hoplostethus atlanticus
Picture by Orlov, A.

Common names from other countries

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

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | 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 生態学

海 深海浮遊性; 海洋回遊性 (Ref. 51243); 深さの範囲 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

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | 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 / サイズ / 重さ / 年齢

Maturity: Lm 34.5, range 18 - 32.5 cm
Max length : 75.0 cm TL オス/雌雄の選別がない; (Ref. 36696); common length : 40.0 cm TL オス/雌雄の選別がない; (Ref. 4181); 最大公表体重: 7.0 kg (Ref. 36697); 最大記録サイズ: 149 年 (Ref. 3680)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 4 - 6; 背鰭 (合計) : 15 - 19; 肛門の骨: 3; 臀鰭: 10 - 12. Bright brick-red in color, mouth and gill cavity bluish black (Ref. 4181). Ventral scutes: 19-25.

生物学     用語集 (例 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 | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

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.

主な参考文献 Upload your references | 参考文献 | コーディネーター : Moore, Jon A. | 協力者

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のレッドリストの状況は (Ref. 130435)

  評価されなかった 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 高い商業の
FAO(水産業: 代謝, 種の外形; publication : search) | FIRMS (Stock assessments) | FishSource | 私達の周りの海

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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).
栄養段階 (Ref. 69278):  4.3   ±0.1 se; based on diet studies.
回復力 (Ref. 120179):  非常に低い, １４年以上の倍増期間の最小個体群 (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).
価格帯 (Ref. 80766):   Medium.