分類 / 名稱
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: 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.
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 深海底的; 深度上下限 219 - 610 m. 深水域; 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.
南極海: circum-在大陸棚上的南極圈 , 南方的島大陸棚插入島,奧克尼群島南方部島,象島與雪特蘭群島南方部島。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 27.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 124149); 28.7 cm TL (female); 最大體重: 84.80 g (Ref. 124149); 最大體重: 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).
仔魚 12-13 mm TL 發現於十一月了。 仔魚與稚魚呈現夏天時。 食物: 片腳類動物, Euphausia superba. 依賴磷蝦指示的從稚魚群在大洋性水域中有磷蝦集中。
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南極海: circum-在大陸棚上的南極圈 , 南方的島大陸棚插入島,奧克尼群島南方部島,象島與雪特蘭群島南方部島。
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 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 04 February 2009
人類使用
漁業: 沒有興趣
工具
特別的報告
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00170 (0.00110 - 0.00263), b=3.25 (3.12 - 3.38), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.0 ±0.00 se; based on food items. |
回復力 (參考文獻 120179) |
中等的, 族群倍增時間最少 1.4 - 4.4年 (Fec = 1,400-1,968). |
釣魚的脆弱性 (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |