分類 / Names
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Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Etymology: Cygnodraco: Latin, cycneus = swan + Greek, drako = dragon (Ref. 45335).
Eponymy: Sir Douglas Mawson (1882–1958) was an Australian geologist and Antarctic explorer. [...] (Ref. 128868), visit book page.
More on author: Waite.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の; 深さの範囲 110 - 300 m. Polar; 65°S - 79°S
Southern Ocean: Antarctic continental shelf. Probably circum-Antarctic.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 45.3 cm TL オス/雌雄の選別がない; (Ref. 124149); 49.1 cm TL (female); 最大公表体重: 404.20 g (Ref. 124149); 最大公表体重: 404.20 g
Specimens larger than 26 cm TL were breeding. Spawning seems to take place in autumn or early winter. Feeds mainly on benthic and benthopelagic organisms such as fishes (Trematomus spp.), the decapod Crangon antarcticus, mysids, gammarid amphipod and polychaete worms (Ref. 5192). Minimum depth from Ref. 58018.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Gon, O., 1990. Bathydraconidae. p. 364-380. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5192)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水産業: 興味がない
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - -0.2, mean -1.3 °C (based on 72 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00062 (0.00040 - 0.00096), b=3.42 (3.29 - 3.55), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 4.1 ±0.73 se; based on food items.
回復力 (Ref.
120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (Fec=3,400-8,500).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).