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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.

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

seewasser demersal; tiefenbereich 1037 - 1930 m (Ref. 125143). Tropical

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Western Indian: Madagascar Channel and Western Pacific: Philippines.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 17.5 cm SL Männchen/unbestimmt; (Ref. 125143)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

This species is distinguished by the following charcters: precaudal vertebrae 15-16, loin vertebrae 2-4, last precaudal vertebrae without ribs; first gill arch with long gill rakers 17-21; pectoral-fin rays 16-18; HL:HD 1.37-1.55; maximal HD:HD through center of eye 1.75-1.90; weak head spines on ethmoidal and interorbital; opercular spine sharp and extruding; opercular flap small; scales on occiput, cheeks, opercle and maxilla; vomer narrow, naked or with few teeth or with one row of teeth; palatines narrow with 2-3 rows of teeth; basibranchial tooth patch small, narrow with 2 rows of teeth; otolith small, 5.0-6.5 % in HL, with single colliculum; OL:OH = 1.14-1.20; OL:TCL = 1.94-2.30 (Ref. 125143).

This species does not seem to venture far away from the continental slopes (Ref. 125143).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell

FAO - Publication: search | FishSource |

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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 (0.00167 - 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).

Trophic level (Ref. 69278): 3.5 ±0.6 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.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (11 of 100).

Tenuicephalus squamilabrus Schwarzhans & Møller, 2021