Common names from other countries
>
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
Ekologi
marina batypelagisk; djupintervall 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.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.6 cm SL hane/ej könsbestämd; (Ref. 4465)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 11 - 13; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 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).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
IUCN Red List Status (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Verktyg
Special reports
Download XML
Internet-källor
Estimates based on models
Preferred temperature (Ref.
115969): 3.8 - 8.2, mean 5 (based on 525 cells).
Phylogenetic diversity index (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).
Trofisk nivå (Ref.
69278): 4.2 ±0.73 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).