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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Sternoptyx: Greek, sternon = sternon, + Greek, ptyx = fold (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 0 - 1500 m (Ref. 4462). Deep-water
Circumglobal in subtropical and temperate waters of the southern hemisphere. Another (possibly disjunct) population found in the tropical northeast Atlantic. A few specimens from the sub-Antarctic waters of the Pacific Ocean.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm SL mannelijk / geslacht onbekend; (Ref. 5168)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 9 - 13; Anale stekels: 0; Anale zachte stralen: 12 - 13. Adults with pigment streaks on ventral caudal rays (Ref. 4054).
Mesopelagic species (Ref. 75154). Life history stages apparently stratified vertically, depth of occurrence increasing with age. No marked vertical migration (Ref. 5168). Minimum depth from Ref. 58018.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Gon, O., 1990. Sternoptychidae. p. 123-126. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5168)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 6.6 - 15.5, mean 10.1 °C (based on 302 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01031 - 0.05092), b=2.94 (2.74 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.2 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming Fec<1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).