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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Astronesthinae
Etymology: Heterophotus: Greek, heteros = other + Greek, photos = light (Ref. 45335).
More on authors: Regan & Trewavas.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 790 - 1420 m (Ref. 58302). Deep-water; 55°N - 40°S, 85°W - 125°W
Eastern Atlantic: Western Sahara south to Namibia, not recorded close to the coast. Western Atlantic: Bermuda south to Brazil including Caribbean Sea and the southern Subtropical Convergence. Also, Indian and Pacific Oceans.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 35.6 cm SL mannelijk / geslacht onbekend; (Ref. 4465)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 11 - 13; Anale stekels: 0; Anale zachte stralen: 12 - 17. Teeth on jaws very short, spine-like; photopores of ventral row excluding AC series arranged in discontinuous, close-set groups of 1 to 5 (Ref. 559). Barbel shorter than head, dark stem, flattened and tapering tip (Ref. 37473). Black in color (Ref. 37039).
Meso- and bathypelagic (Ref. 58302).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Gibbs, R.H. Jr., 1990. Astronesthidae. p. 300-307. 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. 4465)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Preferred temperature (Ref.
123201): 3.8 - 8.2, mean 5 °C (based on 525 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00171 - 0.01014), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.2 ±0.73 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).