Classification / Names
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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 / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 1500 - 2283 m (Ref. 125143). Deep-water
Western Indian Ocean and Western Pacific (Solomon Sea).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 21.8 cm SL αρσενικό/απροσδιόριστο; (Ref. 125143)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
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).
Uncommon species (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [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).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
