Klassifizierung / Names
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Ophidiiformes (Cusk eels) >
Ophidiidae (Cusk-eels) > Neobythitinae
Etymology: Bassozetus: Latin, bassus = thick, fat + Greek, ketos = marine mosnter, whale (Ref. 45335); nielseni: Named for Dr. Jørgen G. Nielsen (Associate Professor Emeritus in University of Copenhagen), for his contribution on the taxonomy of ophidiid fishes (Ref. 119401).
Eponymy: Jørgen G Nielsen (d: 1932) is a Danish zoologist. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathydemersal; tiefenbereich 3155 - 5440 m (Ref. 119401). Tropical
North Atlantic and Western Indian Ocean. Tropical to subartic.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 61.5 cm SL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenweichstrahlen (insgesamt) : 122 - 129; Afterflossenweichstrahlen: 101 - 109; Wirbelzahl: 68 - 71. This species can be distinguished from its congeners by the following set of characters: D 122-129; long rakers on 1st gill arch 11-14; oblique scales 20-25; abdominal vertebrae 13-14; HL 18.1-21.3% SL; body depth at anal-fin origin 8.2-14.6% SL; predorsal length 16.4-20.1% SL; tail length 62.7-68% SL; posterior tip of pelvic-fin rays anterior to anus; one medial basibranchial tooth patch; dorsal margin of sagittal otolith smooth. Colouration: pale yellowish brown fins (preserved condition).
Cross section: oval.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Tomiyama, S., M. Takami and A. Fukui, 2018. A new deepwater assfish, Bassozetus nielseni sp. nov. (Ophidiiformes: Ophidiidae), from the North Atlantic and West Indian oceans. Ichthyol. Res. 65:353-362. (Ref. 119401)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00380 (0.00166 - 0.00868), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.7 ±0.6 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |