分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Notothenioidei (Icefishes)
鱸形目 (Icefishes) >
Bathydraconidae (Antarctic dragonfishes)
淵龍鰧科 (Antarctic dragonfishes) > Bathydraconinae
Etymology: Prionodraco: Greek, prion, -onos = saw + Greek, drako = dragon (Ref. 45335).
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 70 - 550 m. 極; 60°S - 78°S
Southern Ocean: South Orkney and South Shetland Islands, tip of Antarctic Peninsula north of 65°S and the Antarctic continental shelf.
南極海: 奧克尼群島南方部與雪特蘭群島南部,65個 °S 南極半島北方的頂端與大陸棚南極圈。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 10.0  range ? - ? cm
Max length : 15.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 124149); 15.3 cm TL (female); 最大體重: 17.00 g (Ref. 124149); 最大體重: 17.00 g
Adults spawn apparently during autumn and early winter. Hatching probably occurs in spring and size at hatching at about 12 mm TL. Main food items are polychaetes and benthic crustacean (Ref. 5192). Larval pelagic phase is short (Ref. 41551).
顯然地在秋天與初冬的時候產卵。 可能孵化出現於春天中而且於大約 12 mm TL 孵出的大小。 主要部份食物組成是多毛類與底棲的甲殼動物。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南極海: 奧克尼群島南方部與雪特蘭群島南部,65個 °S 南極半島北方的頂端與大陸棚南極圈。
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)
人類使用
漁業: 沒有興趣
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Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.9, mean -1 °C (based on 273 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00167 - 0.00396), b=3.15 (3.02 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.3 se; based on diet studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).