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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
Οικολογία
Θαλασσινό(ά) βαθυπελαγικό(ς); εύρος βάθους 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).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 16.4 cm TL αρσενικό/απροσδιόριστο; (Ref. 5951)
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 3.3 ±0.5 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 (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);
