>
Alepocephaliformes (Slickheads and tubeshoulders.) >
Platytroctidae (Tubeshoulders)
Etymology: Normichthys: Because of John Roxburgh Norman, British ichthyiologist 1898-1944 (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री बैथीपिलाजिक; गहराई सीमा 780 - 5000 m (Ref. 119426), usually ? - 1000 m (Ref. 4461). Deep-water; 66°N - 18°S, 77°W - 15°E
Eastern Atlantic: Iceland and western part of British Isles to Portugal including Azores Island (northern and western boundaries apparently following the 1,000 m isotherm for 4°C and the southern boundary for 5°C); and from the Canary Islands to Senegal, Gulf of Guinea and Angola (Ref. 4461).
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.4 cm TL पुल्लिंग / अलिंग; (Ref. 5951)
Life cycle and mating behavior
Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
Quéro, J.-C., T. Matsui, R.H. Rosenblatt and Y.I. Sazonov, 1984. Searsiidae. p. 256-267. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 1. (Ref. 6682)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
साधन
Special reports
Download XML
इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 2.7 - 6.3, mean 3.9 °C (based on 16 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 38.1 [11.0, 183.9] mg/100g; Iron = 0.691 [0.203, 2.242] mg/100g; Protein = 3.39 [0.00, 7.42] %; Omega3 = 0.332 [0.100, 1.131] g/100g; Selenium = 18.4 [5.1, 77.1] μg/100g; VitaminA = 14.3 [1.9, 99.2] μg/100g; Zinc = 0.764 [0.341, 1.908] mg/100g (wet weight);