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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Sternoptyx: Greek, sternon = sternon, + Greek, ptyx = fold (Ref. 45335).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; oceanodroom (Ref. 51243); diepte 800 - 2000 m (Ref. 74511), usually 800 - 1200 m (Ref. 4054). Deep-water; 43°N - 40°S
Widely distributed in the three major oceans. Eastern Atlantic: Portugal south to South Africa. Eastern Pacific: British Columbia, Canada (Ref. 11980). South China Sea and East China Sea (Ref.74511).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.0 cm SL mannelijk / geslacht onbekend; (Ref. 4462)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 9 - 12; Anale stekels: 0; Anale zachte stralen: 13 - 15; Wervels: 27 - 30. Triangular transparent membrane above anal fin (Ref. 13608).
Body shape (shape guide): short and / or deep.
Oceanic (Ref. 4739). Meso- and bathypelagic (Ref. 58302). Does not exhibits vertical migration (Ref. 4462). Feeds on copepods, ostracods, euphausiids, amphipods, decapods (Ref. 4739). Photophores develop in adults over 16-18 mm SL (Ref. 4739). Minimum depth from Ref. 004054.
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
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02884 (0.01547 - 0.05376), b=2.92 (2.75 - 3.09), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.2 se; based on diet studies. |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tmax>3). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (19 of 100). 🛈 |