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Notacanthiformes (Halosaurs and deep-sea spiny eels) >
Notacanthidae (Deep-sea spiny eels)
Etymology: Polyacanthonotus: Greek, poly = a lot of + Greek, akantha = thorn + Greek,noton = back (Ref. 45335).
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; تغييرات عمق 700 - 3000 m (Ref. 4449), usually 1500 - 2000 m (Ref. 4449). Deep-water; 45°N - 35°S, 98°W - 20°E
Eastern Atlantic: off Morocco, the Azores and Canary Islands and South Africa. Western Atlantic: New Jersey, USA to the Gulf of Mexico and Caribbean. The record from Davis Strait probably refers to Polyacanthonotus rissoanus.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 4449)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 26 - 40; شعاع نرم باله پشتي (کل) : 0. Off white, tan or grey in color, lateral line darker; soft rayed portion of anal dark brown (Ref. 6594). Mouth bluish in front, black behind (Ref. 6594). Opercular flap and underside of head bluish (Ref. 6594). Broad separation of the anterior and posterior nostrils. First dorsal spine well posterior to the root of the pectoral fin. Large mouth, maxillary reaching the border of spectacle and much longer preoral snout (Ref. 37108).
Found at bathyal and abyssal depths. Feeds on benthic polychaetes, cnidarians, amphipods (Ref. 4449).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Sulak, K.J., 1990. Notacanthidae. p. 133-135. 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. 4449)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 3.4 - 5.3, mean 4.1 °C (based on 297 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5630 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.48 se; based on food items.
جهندگی (Ref.
120179): خیلی آهسته, كمينه زمان لازم براي دو برابر شدن جمعيت بيش از 14 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
