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Alepocephaliformes (Slickheads and tubeshoulders) >
Alepocephalidae (Slickheads)
Etymology: Alepocephalus: Greek, alepos, alepidotos = without scales + Greek, kephale = head (Ref. 45335).
Eponymy: Alan Owston (1853–1915) was an English businessman who was a collector of Asian wildlife, as well as a yachtsman. [...] (Ref. 128868), visit book page.
More on author: Tanaka.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 600 - 1000 m (Ref. 41299). Deep-water
Northwest Pacific: Pacific coast of Japan and the Okinawa Trough (East China Sea).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 40.0 cm SL mannelijk / geslacht onbekend; (Ref. 559)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 17 - 21; Anale stekels: 0; Anale zachte stralen: 18 - 22. Pored scales in lateral line less than 60. Snout wide in dorsal view, rounded anteriorly. Frontal portion of orbital rim forming a prominent ridge above the eye. Orbit circular. Reaches 40 cm SL.
Body shape (shape guide): elongated; Cross section: oval.
Found on the continental slope (Ref. 75154).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Internetbronnen
Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 1.6 - 3.1, mean 2.2 °C (based on 89 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00159 - 0.00723), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.2 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Moderate vulnerability (39 of 100).
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