分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
>
Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Etymology: Racovitzia: Because of Janko von Racovitz, Rumanian entomologist.
Eponymy: Professor Dr Emil G Racoviță (sometimes Racovitza) (1868–1947) was a Romanian zoologist and especially a pioneering bio-speleologist. [...] (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 219 - 610 m. Deep-water; 57°S - 78°S
Southern Ocean: circum-Antarctic on continental shelf, insular shelf of the South Sandwich Islands, South Orkney Islands, Elephant Island and South Shetland Island.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 27.1 cm TL オス/雌雄の選別がない; (Ref. 124149); 28.7 cm TL (female); 最大公表体重: 84.80 g (Ref. 124149); 最大公表体重: 84.80 g
Larvae 12-13 mm TL found in November, larval pelagic phase is long (Ref. 41551). Larvae and juveniles present during summer. Food item: amphipods, Euphausia superba. Dependence on krill indicative from association of juveniles with krill concentrations in oceanic waters (Ref. 5192).
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
XMLをダウンロードして下さい
インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.7, mean -0.9 °C (based on 472 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00170 (0.00109 - 0.00264), b=3.26 (3.12 - 3.40), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (Ref.
69278): 3.0 ±0.00 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 = 1,400-1,968).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).