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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Argyropelecus: Greek, argyros = silvered, silver + Greek, pelekys = axe (Ref. 45335).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي ناحیه ای از منطقه اقیانوسی با عمق بین 1000 تا 4000 متر. موجوداتی که در آبهای آزاد بین اعماق 1000 تا 4000 متر زندگی و تغذیه می کنند; اقیانوس رو (Ref. 51243); تغييرات عمق 1 - 3872 m (Ref. 13608), usually 1 - 600 m (Ref. 35838). Deep-water; 45°N - 45°S, 180°W - 180°E
Eastern Atlantic: occasionally between Azores and Madeira (Ref. 4739), also from Senegal to Gulf of Guinea. Western Atlantic: 30°N-30°S, including the Gulf of Mexico (Ref. 27768). Northwest Atlantic: Canada (Ref. 5951). Indian Ocean: 20°N-20°S. Eastern Pacific: 35°N-35°S. Western Pacific: 30°N-10°S. South China Sea (Ref.74511).
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 8.4 cm SL جنس نر / بدون خواص جنسي; (Ref. 4462)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 8 - 9; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 12 - 14; مهره ها: 38 - 41. Scales deciduous; swim bladder well developed, gas-filled, euphysoclistous; branchiostegal rays 10, 3 on epihyal; post-abdominal spines (iliac) short, equal in length; abdominal keels shallow (Ref. 4739).
An oceanic and mesopelagic species (Ref. 4739, 58302), mainly at 300-650 m (Ref. 4054), 170-500 m at night and 350-600 m during day (Ref. 58302), commonly 1-600m (Ref. 035838). May make short diel migrations (Ref. 4739). Smaller individuals feed on copepods and ostracods; larger ones feed on euphausiids, salps and chaetognaths (Ref. 4739). Adult complement of photophores acquired at about 14 mm SL (Ref. 4739). 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)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: از بی علاقه گی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 9.2 - 28.9, mean 24.6 °C (based on 11134 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00961 - 0.02738), b=2.97 (2.82 - 3.12), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.19 se; based on food items.
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
جهندگی (Ref.
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (K=0.67).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
