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Ophidiiformes (Cusk eels) >
Ophidiidae (Cusk-eels) > Neobythitinae
Etymology: Tenuicephalus: Name from Latin 'tenuis' for thin, weak and 'cephalus' for 'head', referring to the delicate and weak nature of the head ossification which often results in damaged specimens when recovered from deep-water trawls.
More on author: Alcock.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien bathydemersaal; diepte 1500 - 2283 m (Ref. 125143). Deep-water
Western Indian Ocean and Western Pacific (Solomon Sea).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 21.8 cm SL mannelijk / geslacht onbekend; (Ref. 125143)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished by the following characters: precaudal vertebrae 14-16, 3 loin vertebrae (last precaudal vertebrae without ribs); first gill arch with long gill rakers 14-16; pectoral-fin rays 16-17; HL:HD 1.40-1.48; absence of head spines; opercular spine sharp and extruding; opercular flap small; vomer is narrow, naked or with few teeth; palatines narrow with 2-3 rows of teeth; basibranchial tooth patch very small with 1-2 rows of teeth; otolith with single colliculum; OL:OH = 0.95; OL:TCL = 1.87 (Ref. 125143).
Body shape (shape guide): elongated; Cross section: compressed.
Uncommon species (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Schwarzhans, W.W. and P.R. Møller, 2021. Revision of the ‘dragon-head’ cusk eels of the genus Porogadus (Teleostei: Ophidiidae), with description of eight new species and one new genus. Zootaxa 5029(1):001-096. (Ref. 125143)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00167 - 0.00864), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
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