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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Argyropelecus: Greek, argyros = silvered, silver + Greek, pelekys = axe (Ref. 45335).
Eponymy: Ignaz Franz Werner Maria von Olfers (1793–1871) was a German naturalist, historian and diplomat; in which latter capacity he went to Brazil (1816). [...] (Ref. 128868), visit book page.
More on author: Cuvier.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; oceanodroom (Ref. 51243); diepte 100 - 800 m (Ref. 4739). Deep-water; 65°N - 50°S
Eastern Atlantic: southern Iceland to Canary Islands and Cape of Good Hope, South Africa. South Pacific: between 30°S and 50°S.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 9.0 cm TL mannelijk / geslacht onbekend; (Ref. 27000)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Lower opercular spine downward and curved forward. Upper opercular spine short, directed outward. Ventral line of abdominal keel usually with a concave notch in front of anterior postabdominal spine (Ref. 37473).
Body shape (shape guide): short and / or deep.
Oceanic, mesopelagic with adults and juveniles at 200-800 m by day and 100 (sometimes shallower)-600 m by night, pre-metamorphic larvae at 100-300 m. Adults and juveniles make short diel vertical migrations. Dioecious, adult photophore complement acquired at about 16-17 mm SL (Ref. 4739). Feeds on crustaceans and small fishes (Ref. 35388).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Sternoptychidae. p. 275-282. 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. 1. (Ref. 4462)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01950 (0.00838 - 0.04534), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.41 se; based on food items. |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |