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Pseudocyttus maculatus  Gilchrist, 1906

Smooth oreo dory
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Pseudocyttus maculatus
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Zeiformes (Dories) > Oreosomatidae (Oreos) > Pseudocyttinae
Etymology: Pseudocyttus: Greek, pseudes = false + Greek, kyttaros, kytos = a convex cavity.

環境 / 氣候 / 範圍 生態學

; 海洋 深海底的; 海洋洄游的 (Ref. 51243); 深度上下限 400 - 1500 m (Ref. 5194), usually 900 - 1100 m (Ref. 36731).    , preferred 12°C (Ref. 107945); 34°S - 67°S, 90°W - 176°W (Ref. 27159)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Southwest Atlantic: off Uruguay to Argentina and the Falklands. Southeast Atlantic: Namibia to South Africa, including the northern part of Walvis Ridge (Ref. 6545). South Pacific: off southern Chile, Bellingshausen and Australian-Antarctic Basin to New Zealand, New South Wales and Tasmania, Australia and the Kerguelen Islands.

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 40.0  range ? - 41 cm
Max length : 68.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 58312); common length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 9258); 最大體重: 5.0 kg (Ref. 6390); 最大年齡: 100 年 (Ref. 27140)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 5 - 7; 背的軟條 (總數): 33-36; 臀棘 2-3; 臀鰭軟條: 31 - 34; 脊椎骨: 40 - 43. First dorsal spine longer than second dorsal spine. Opercles fully scaled (Ref. 27159). Female adult chocolate brown in color with darker fins; prejuveniles silvery with numerous dark spots of various sizes which become larger with age (Ref. 6548).

生物學特性     字彙 (例如 epibenthic)

Inhabit continental slopes of all southern continents (Ref. 6545). Adults found near the bottom; juveniles near the surface, usually in association with krill (Ref. 5194). Feed mainly on salps (Ref. 27150). Eggs float near the sea surface and larvae also inhabit surface waters (Ref. 6390). There is no vertical migration during the day or night (Ref. 27150).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Displays seasonally synchronised reproduction (Ref. 6390).

主要參考資料 Upload your references | 參考文獻 | 合作者 : Heemstra, Phillip C. | 合作者

Heemstra, P.C., 1990. Oreosomatidae. p. 226-228. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5194)

IUCN 瀕危狀態 (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

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