Bassozetus nielseni, Masked assfish

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Bassozetus nielseni Tomiyama, Takami & Fukui, 2018

Masked assfish
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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> 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).

Environment: milieu / climate zone / depth range / distribution range Ekologi

marina djupbottenlevande; djupintervall 3155 - 5440 m (Ref. 119401). Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

North Atlantic and Western Indian Ocean. Tropical to subartic.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 61.5 cm SL (female)

Short description Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt): 122-129; Mjukstrålar i analfenan: 101 - 109; Ryggkotor: 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).

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 11 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Födointag
Näringsinnehåll
Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
BRUVS
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Electrophoreses
Ärftlighet
Sjukdomar
Behandling
Nutrients
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00165 - 0.00876), b=3.14 (2.93 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.7   ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100).