分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ophidiiformes (Cusk eels)
鼬鳚目 (Cusk eels) >
Bythitidae (Livebearing brotulas)
深蛇鳚科 (Livebearing brotulas)
Etymology: Grammonus: Greek, gramma = signal, mark + Greek, onos = hake; nagaredai: provided a series of photographs taken in his aquarium.
Eponymy: Bronson Hiroki Nagareda (d: 1976) is a biologist and aquarist. [...] (Ref. 128868), visit book page.
More on authors: Randall & Hughes.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 6 - 9 m (Ref. 79569).
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Pacific: Hawaiian Islands.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 82.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 79569); 106.0 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 86; 臀鰭軟條: 64 - 66; 脊椎骨: 42. Predorsal scales extending to interorbital space; scales present on opercle and preopercle; three overlapping longitudinal rows of prominent sensory papillae on body; body depth at origin of dorsal fin 3.2–3.4 in SL; head length 3.15-3.2 in SL; mouth strongly oblique; edge of preopercle smooth except for a tiny spine at rounded corner; caudal fin joined only basally to dorsal and anal fins; normal life color dark
brown, the sensory papillae on head and body white.
From caves off O'ahu and Hawai'i (Ref. 79569).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Randall, J.E. and Hughes M.J., 2009. Grammonus nagaredai, a new viviparous marine fish (Ophidiiformes: Bythitidae) from the Hawaiian Islands. Pacific Science 63(1):137-146. (Ref. 79569)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.0 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (78 of 100).
