Taxonomic Remarks
This species is often confused with Nezumia sclerorhynchus (Valenciennes, 1838).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien benthopelagisch; standvastig; diepte 200 - 2320 m (Ref. 3587), usually 200 - 1000 m (Ref. 2683). Deep-water; 70°N - 12°S, 98°W - 30°E (Ref. 1371)
Atlantic Ocean: Eastern Atlantic: Faroe Bank to northern Angola and the Mediterranean Sea. Western Atlantic: Davis Straits to northern Brazil.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 4.5, range 4 - ? cm
Max length : 36.0 cm TL mannelijk / geslacht onbekend; (Ref. 3587); common length : 25.0 cm TL mannelijk / geslacht onbekend; (Ref. 2683); max. gerapporteerde leeftijd: 9 Jaren (Ref. 58045)
Dorsale stekels (totaal) : 2; Anale stekels: 0. Head short, completely scaled except for naked strip on the ventral surface of the snout; Eyes relatively large, 29 to 42% of head length; snout short, pointed; chin barbel very short. Body scales with lanceolate to shield-shaped spinules. Overall color is bluish to violet, head somewhat tawny to swarthy; ventral portions silvery when fresh; pelvic fins black except outermost ray which is pale to white; oral cavity grayish; branchial cavity mostly black.
Body shape (shape guide): elongated; Cross section: oval.
Feeds on benthic as well as pelagic animals like mysids, amphipods, small shrimps, copepods, isopods, ostracods and polychaete worms (Ref. 6187).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00186 (0.00113 - 0.00307), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.1 se; based on diet studies. |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (50 of 100). 🛈 |
Prijsklasse (Ref. 80766) |
Medium.
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Voedingsstoffen (Ref. 124155) |
Calcium = 21.3 [10.3, 49.2] mg/100g; Iron = 0.34 [0.16, 0.70] mg/100g; Protein = 15.9 [14.1, 17.5] %; Omega3 = 0.248 [0.102, 0.566] g/100g; Selenium = 26.9 [9.5, 68.2] μg/100g; VitaminA = 16.6 [3.0, 84.1] μg/100g; Zinc = 0.505 [0.312, 0.823] mg/100g (wet weight); |