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.; multitrabs: Name from Latin 'multi' meaning many or multi, and 'trabs' for club or spar, referring to the many long rakers in this species as compared to T. melampeplus..
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री बेनथोपिलाजिक; गहराई सीमा 1000 - 2000 m (Ref. 125143). Deep-water
Indian Ocean (except for its northern part) and the western Pacific.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 20.2 cm SL पुल्लिंग / अलिंग; (Ref. 125143)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
This species is distinguished by the following characters: precaudal vertebrae 14-16, loin vertebrae 3-5 the last precaudal vertebrae without ribs; first gill arch with long gill rakers 18-21; pectoral-fin rays 16-18; HL:HD 1.38-1.63; maximal HD:HD through center of eye 1.35-1.70; weak head spines on ethmoidal, interorbital and 5th infraorbital; opercular spine sharp and extruding; opercular flap is moderately large; vomer narrow, naked or with few teeth or one row of teeth; palatines narrow with 1-3 rows of teeth; basibranchial tooth patch small, narrow with 1-3 rows of teeth; otolith large, 11.5-14.5 % in HL, with single colliculum; OL:OH = 1.22-1.34; OL:TCL = 2.46-2.92 (Ref. 125143).
The largest number of specimens were caught at great distance from the nearest shelf areas in the central Indian Ocean, nearly 2000 km above the Ninety-East Ridge. It was caught well above the sea bottom indicating that these fishes might obtain a bathypelagic rather than a benthopelagic life style (Ref. 125143).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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
अधिक जानकारी
आम नामउपशब्दचपायचयपरभक्षीईकोटोकसीकोलौजीपुनरुत्पत्तिपरिपक्व अवधिमछलीऔ का अंडे देनाSpawning aggregationFecundityअंडेEgg development
Age/Sizeबाढ़Length-weightLength-lengthLength-frequenciesमौरफोमैटरिक्सआकृति विज्ञानलार्वालारवल गतिकीभर्तीबहुतायतBRUVS
संदर्भजलीयकृषिजलीयकृषि रूपरेखाखींचआनुवंशिकीElectrophoresesहैरेटिबिलटीबीमारीप्रक्रमणNutrientsMass conversion
सहयोगीयोतस्वीरेStamps, Coins Misc.ध्वनिसिगुयटिरारफ्तारतैरने के प्रकारगिल क्षेत्रOtolithsदिमागदृष्टि
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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).
Trophic level (Ref.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).
