Classificatie / Namen
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Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Bothrocara: Greek, bostrykos = cure of lack of hair + Tupí, guaraní, acará = the name of a fish. It could be also from Greek, kara = face (Ref. 45335); nyx: Named for the Greek goddess of night and darkness; noun in apposition. It alludes ot the dark conditions prevalent in the deep waters and northern latitudes where this species occurs, and to the heavily pigmented lining of the mouth and visceral cavity.
Eponymy: Nyx was the goddess of night and darkness in Greek mythology. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte 790 - 1508 m (Ref. 56148). Temperate
Northeast Pacific: Eastern Bering Sea.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 21.7 cm SL mannelijk / geslacht onbekend; (Ref. 56148)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 103 - 112; Anale zachte stralen: 89 - 99; Wervels: 108 - 116. Diagnosis: Vertebrae 17 - 19 + 90 - 98 = 108 - 116. Pectoral fin rays 12 - 15. Vomerine teeth 0 - 3. Gill rakers moderately long, 23 - 27. Short snout, less than eye-diameter. Median occipital pore present. Lateral line is not visible on the body. Interior of mouth darkly pigmented (Ref. 56148).
Body shape (shape guide): eel-like; Cross section: compressed.
Known from the upper continental slope (Ref. 56148).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Stevenson, D.E. and M.E. Anderson, 2005. Bothrocara nyx: a new species of eelpout (Perciformes: Zoarcidae) from the Bering Sea. Zootaxa 1094:53-64. (Ref. 56148)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00123 (0.00059 - 0.00258), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |