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Lophiiformes (Anglerfishes) >
Oneirodidae (Dreamers)
Etymology: Oneirodes: Greek, 'oneiros' = a dream or dreamlike or out of a dream (suggesting this fish is so strange and marvelous that can exist only in dreams) (Ref. 86949); eschrichtii: Named after D.F. Eschricht, Danish naturalist (Ref. 6885).
More on author: Lütken.
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 750 - 2500 m (Ref. 86949). Deep-water
Circumglobal: In tropical to temperate waters. Eastern Atlantic: off Madeira, Portugal, Ireland and Iceland.
Size / Weight / سن
Maturity: Lm ? range ? - ? cm
Max length : 28.8 cm SL جنس نر / بدون خواص جنسي; (Ref. 5951); 29.7 cm TL (female)
شعاع نرم باله پشتي (کل) : 5 - 7; شعاع نرم باله مخرجي: 4. Esca with anterior appendage bearing papillae and a few short filaments at distal tip; posterior appendage never branched. Characterized by having similar esca to that of O.bulbosus and O.anisacanthus; lacks numerous tapering distal filaments of the anterior appendage of O.bulbosus and lateral escal appendage of O.anisacanthus; subopercle without indentation on posterodorsal margin; length of ventral fork of opercle 20.7-31.9% SL; ratio of lengths of dorsal and ventral forks of opercle 0.44-0.69; absence of epibranchial teeth; presence of teeth on pharyngobrachial II; upper jaw teeth 24-50; lower jaw teeth 29-56;teeth on vomer 4-8; dorsal fin rays 5-7; anal fin rays 4; pectoral fin rays 15-19; head length 33.3-46.2% SL; head depth 34.7-55.4% SL; premaxilla length 22.4-38.9% SL; lower-jaw length 34.3-55.7% SL; illicium length 17.8-38.6& SL (Ref. 86949).
Mesopelagic species.
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
Bertelsen, E., 1990. Oneirodidae. p. 498-507. 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. 10524)
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): 2.3 - 5.8, mean 3.6 °C (based on 1799 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.4 ±0.7 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
