分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
板鰓亜鋼(サメとエイ類) (sharks and rays) >
Torpediniformes (Electric rays) >
Narkidae (Sleeper rays)
Etymology: Heteronarce: Greek, heteros = other + Greek, narke = numbness (Ref. 45335).
Eponymy: Captain Dr Richard E Lloyd MB DSc (d: 1875) was a physician in the Indian Medical Service and was Surgeon Naturalist of the Marine Survey of India. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の; 深さの範囲 73 - 346 m (Ref. 26165). Tropical; 14°N - 3°N, 45°E - 76°E (Ref. 114953)
Western Indian Ocean: Somalia, Socotra, Gulf of Aden to India, Arabian Sea.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 22.5 cm SL オス/雌雄の選別がない; (Ref. 26165); 19.5 cm (female)
Found in deep waters (Ref. 26165). Known from few specimens. Size presumably exceeds 30 cm TL. Males reaches maturity at ca. 20 cm TL. Biology and reproduction unknown (Ref. 114953).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Weitkamp, D.E. and R.D. Sullivan, 2003. Gas bubble disease in resident fish of the lower Clark Fork River. Trans. Am. Fish. Soc. 132(5):865-876. (Ref. 26165)
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
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5627 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).