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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
Ecologie
marien bathypelagisch; diepte 750 - 2500 m (Ref. 86949). Deep-water
Circumglobal: In tropical to temperate waters. Eastern Atlantic: off Madeira, Portugal, Ireland and Iceland.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 28.8 cm SL mannelijk / geslacht onbekend; (Ref. 5951); 29.7 cm TL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 5 - 7; Anale zachte stralen: 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.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 2.3 - 5.8, mean 3.6 °C (based on 1799 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 4.4 ±0.7 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
