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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.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino batipelágico; rango de profundidad 700 - 5087 m (Ref. 58018). Deep-water; 40°N - 29°S, 98°W - 150°E
Circumglobal.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 39.6 cm SL macho / no sexado; (Ref. 4468)
Descripción breve
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 16 - 18; Radios blandos anales: 19 - 25; Vértebra: 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).
Body shape (shape guide): elongated; Cross section: compressed.
Mesopelagic species (Ref. 559).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00309 (0.00118 - 0.00808), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
4.0 ±0.70 se; based on food items. |
Resiliencia (Referencia 120179) |
Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Moderate to high vulnerability (50 of 100). 🛈 |