分類 / Names
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Zeiformes (Dories) >
Cyttidae (Lookdown dories)
Etymology: Cyttus: Greek, kyttaros, kytos = a convex cavity.
Eponymy: William Thomas Locke Travers (1819–1903) was a New Zealand explorer, lawyer, politician and naturalist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海魚; 深さの範囲 200 - 978 m (Ref. 50308). Deep-water; 18°S - 55°S, 5°W - 173°W
Southeast Atlantic: Walvis Ridge and from off Cape Town to Algoa Bay in South Africa. Indo-West Pacific: south coast of Australia and New Zealand.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm 21.6 range ? - ? cm
Max length : 63.0 cm TL オス/雌雄の選別がない; (Ref. 123586); common length : 33.0 cm TL オス/雌雄の選別がない; (Ref. 9258)
背面の脊椎 (合計) : 9 - 10; 背鰭 (合計) : 35 - 37; 肛門の骨: 2; 臀鰭: 36 - 38. Adults silvery grey in color; juveniles (to 10 cm) silvery with brown blotches (Ref. 4253).
Occurs in offshore waters (Ref. 9258). Juveniles pelagic in surface waters (Ref. 9563).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Heemstra, P.C., 1986. Zeidae. p. 435-438. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4253)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水産業: 商業
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 5.9 - 12.8, mean 8.3 °C (based on 194 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01950 (0.00842 - 0.04514), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.9 ±0.87 se; based on food items.
Generation time: 13.7 ( na - na) years. Estimated as median ln(3)/K based on 2
growth 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 (tm=5.2-6.3; Tmax=38; K=0.04-0.07).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (70 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (74 of 100).
Nutrients (Ref.
124155): Calcium = 19.5 [10.8, 43.4] mg/100g; Iron = 0.444 [0.162, 0.940] mg/100g; Protein = 17.4 [14.9, 20.2] %; Omega3 = 0.355 [0.181, 0.734] g/100g; Selenium = 20.4 [8.3, 51.5] μg/100g; VitaminA = 12.5 [2.2, 75.2] μg/100g; Zinc = 0.316 [0.203, 0.487] mg/100g (wet weight);
