Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina djupbottenlevande; djupintervall 100 - 770 m (Ref. 7412), usually 360 - 540 m (Ref. 7412). Deep-water
Eastern Atlantic: Azores, Madeira, the Canary Islands, Cape Verde and St. Helena Islands. Western Atlantic: West Indies, Saba Bank, Leeward Islands, off northern coast of Cuba and west of the Bahamas. Reported to occur in the northern coast of South America (Ref. 5217).
Length at first maturity / Size / Vikt / Age
Maturity: Lm 26.0, range 20 - ? cm
Max length : 48.0 cm TL hane/ej könsbestämd; (Ref. 5217); common length : 30.0 cm TL hane/ej könsbestämd; (Ref. 7412); rapporterad maxålder: 14 år (Ref. 88061)
Taggstrålar i ryggfenan (totalt): 5; Mjukstrålar i ryggfenan (totalt): 34-37; Taggstrålar i analfenan 4; Mjukstrålar i analfenan: 15 - 16; Ryggkotor: 29. Dark brownish grey in color, silvery below; black blotch on distal part of anterior dorsal rays (Ref. 6624). Snout blunt, rounded, adipose. Hyoid barbels present (Ref. 37108).
Found on semi-hard and soft bottoms on the continental shelf and slope. Marketed fresh and frozen.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Hureau, J.-C., 1990. Polymixiidae. p. 625. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 7412)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
Ytterligare information
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 8.4 - 15.3, mean 11.4 °C (based on 187 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00703 - 0.01240), b=3.10 (3.02 - 3.18), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.2 ±0.73 se; based on food items.
Generation time: 5.1 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming tm=2-4).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
Nutrients (Ref.
124155): Calcium = 27.7 [17.0, 62.5] mg/100g; Iron = 0.479 [0.233, 0.908] mg/100g; Protein = 16.9 [15.8, 18.0] %; Omega3 = 0.322 [0.169, 0.635] g/100g; Selenium = 20.1 [8.9, 44.6] μg/100g; VitaminA = 16.4 [3.7, 73.8] μg/100g; Zinc = 0.337 [0.227, 0.497] mg/100g (wet weight);
