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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Argyropelecus: Greek, argyros = silvered, silver + Greek, pelekys = axe (Ref. 45335).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 100 - 2056 m (Ref. 27311). Deep-water; 40°N - 35°S, 180°W - 180°E
Eastern Atlantic: Portugal to Senegal; reported from Namibia (Ref. 27121). Western Atlantic: 40°N-10°N and 15°S-35°S; specimens taken off the Guianas (Ref. 13608). Northwest Atlantic: Canada (Ref. 5951). Indian Ocean: 0°-35°S. Western Pacific: 35°N-35°S. Southeast Pacific: 30°S-35°S. Recently reported in Aden Gulf, Arabian Sea (Ref. 85285).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 8.3 cm SL mannelijk / geslacht onbekend; (Ref. 57911); max. gepubliceerd gewicht: 20.90 g (Ref. 124532)
Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 9; Anale stekels 0; Anale zachte stralen: 12. Deep body, lower opercular spine straight downward and curved outward. Upper opercular spine short, pointing outward (Ref. 37473).
An oceanic and mesopelagic species concentrated at 300-600 m by day and 100-300 by night (Refs. 4462, 4739). A selective dusk-time feeder mainly on conchoecid ostracods, to lesser extent on copepods, decapod larvae, fish larvae, etc (Ref. 4739). Adult photophore developing at about 15 mm SL (Ref. 4739). Also Ref. 58302.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Weitzman, S.H., 1986. Sternoptychidae. p. 253-259. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 4054)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Meer informatie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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Estimates based on models
Preferred temperature (Ref.
123201): 4.9 - 13.7, mean 8 °C (based on 1129 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01245 - 0.03846), b=3.00 (2.85 - 3.15), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.2 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
