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> Stomiiformes (Lightfishes and dragonfishes) > Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Argyropelecus:Greek, argyros = silvered, silver + Greek, pelekys = axe (Ref. 45335). Eponymy: Walter Percy Sladen (1849–1900) was a self-taught British academic biologist whose main interest was ichthyology. [...] (Ref. 128868), visit book page. More on author: Regan.
البيئة: الوسط / المنطقة المناخية / نطاق العمق / نطاق التوزيع البيئة
بحري مياه عميقة; نطاق العمق 0 - 2926 m (Ref. 26165). Deep-water; 46°N -
Atlantic, Indian and Pacific: in tropical waters. Eastern Atlantic: Cape Blanc, Mauritania to Namibia. Eastern Pacific: Oregon to southern California in the USA (Ref. 265). Southeast Pacific: Chile (Ref. 9068). South China Sea (Ref.74511).
الحجم / وزن / العمر
النضج: Lm? range ? - ? cm Max length : 8.3 cm TL ذكر/ مختلط الجنس; (Ref. 126117); أعلا وزن تم نشرة: 13.20 g (Ref. 126117)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 9; شوكة شرجية: 0; أشعه شرجية لينه: 11 - 12; فقرات: 35 - 38. Branchiostegal rays: 10 (Ref. 35838). Body shape (shape guide): short and / or deep.
Mesopelagic (Ref. 58302). Found in 50-600 m during the day and 100-375 m at night (Ref. 4054). Feed on copepods (Ref. 6885). Oviparous, with planktonic eggs and larvae (Ref. 35838).
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Sternoptychidae. p. 275-282. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 4462)
حالة القائمة الحمراء للاتحاد الدولي لحفظ الطبيعة والموارد الطبيعية (Ref. 130435: Version 2025-2)
درجة الحرارة المفضلة (مرجع 123201): 3.7 - 11.6, mean 6.2 °C (based on 2263 cells).
مؤشر التنوع الشُعبي الوراثي (مرجع 82804): PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01389 - 0.03957), b=2.93 (2.78 - 3.08), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
مستوى غذائي (مرجع 69278): 3.1 ±0.16 se; based on food items.
المرونه (مرجع 120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Assuming tmax>3).
ضعف الصيد (Ref. 59153): Low vulnerability (10 of 100). 🛈
![Image of Argyropelecus sladeni (Sladen\](/images/thumbnails/jpg/tn_Arsla_u0.jpg "Image of Argyropelecus sladeni (Sladen\")
![Image of Argyropelecus sladeni (Sladen\](/images/thumbnails/jpg/tn_Arsla_j0.jpg "Image of Argyropelecus sladeni (Sladen\")