分類 / Names
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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Photonectes: Greek, photos = light + Greek, nekton = swimmer (Ref. 45335).
Eponymy: These are not eponyms but relate to the meanings of ‘margarita’; pearl and daisy. The dragonfish was so-named due to having a “pearl-colored spot above the maxilla”. (Ref. 128868), visit book page.
More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 深海浮遊性; 深さの範囲 700 - 5087 m (Ref. 58018). Deep-water; 40°N - 29°S, 98°W - 150°E
Circumglobal.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 39.6 cm SL オス/雌雄の選別がない; (Ref. 4468)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 16 - 18; 臀鰭: 19 - 25; 脊つい: 60 - 63. This species of the subgenus Trachinostomias is distinguished by the following characters: vertebrae 60-63 (as an exception, can be reduced to 58); photophores of series IV, 41-45; jaws with uniformly sized teeth; pectoral fin, usually 1 ray P (as an exception, 0 or 2); body with spots of white luminous tissue; mental barbel with a small bulb or even without it, but always with the developed appendages (Ref. 125184).
Mesopelagic species (Ref. 559).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Prokofiev, A.M., 2015. Data for the revision of subgenus Trachinostomias (Melanostomiidae: Photonectes). Morphological variability of P. margarita with description of two new species. J. Ichthyol. 55(2):147-154. (Ref. 125184)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 2 - 4.6, mean 3 °C (based on 2643 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00116 - 0.00786), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 4.0 ±0.70 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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).