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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Sciadonus: Derived from Greek, skiaina, skion = a fish, red mullet + Greek, onos = hake.
More on author: Garman.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathydemersal; tiefenbereich 1169 - 5440 m (Ref. 34024). Deep-water
Northeast Atlantic, Northeast Pacific, Southwest Pacific.; including the Solomon Sea, off New Zealand, and Australia.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 11.6 cm SL Männchen/unbestimmt; (Ref. 118598); 12.6 cm SL (female)
Rückenflossenweichstrahlen (insgesamt) : 90 - 107. This species is distinguished from its congeners by the following characters: no distinct black spots dorsally and along its midbody; pelvic fin length 1.0-2.2 % SL; dorsal fin rays 90-107; precaudal vertebrae 43-49; origin of anal fin below dorsal fin rays 44-56 (Ref. 128809); with protruding lower jaw and with tissue flaps anteriorly (Ref. 118598).
Cross section: compressed.
Rare species (Ref. 34024).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Nielsen, J.G., 2018. Revision of the cosmopolitan deep-sea genus Sciadonus (Teleostei, Bythitidae) with two new species. Cybium 42(2):177-187. (Ref. 118598)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 1.8 - 2.8, mean 2.1 °C (based on 326 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00192 - 0.01191), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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