Classificatie / Names
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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Astronesthinae
Etymology: Astronesthes: Greek, astra = ray + Greek, esthes, -es = suit, something used to wrap (Ref. 45335); zharovi: Named after V.L. Zharov, one of the first national investigators of the epipelagial of the World Ocean (Ref. 30704).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte ? - 600 m (Ref. 58018). Deep-water; 27°N - 17°S
Atlantic Ocean: known only between the eastern part of the Gulf of Mexico (27°N, 86°W) and southern Angola (17°S, 10°E).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 12 - 13; Anale stekels: 0; Anale zachte stralen: 11 - 13; Wervels: 45 - 46. Chin barbel half as long as the head and bears a small explanate bulb lacking appendages. Base of anal fin significantly behind the vertical of the dorsal fin end. Postorbital organ large and angled at 20°-30° with respect to the longitudinal body axis. It extends behind the vertical of the back side of the orbit and is covered from above with a pigmented fold of skin. Bunch-like aggregation of luminous spots proceeds down and to the rear from the back tip of the postorbital organ. Numerous spots of luminous tissue on head, the gill cover, back of the head, around the chin area, on the jaws, as well as on the front side of the body, behind the head, and above and below the lateral row of photophores. Serial photophores are not large and form no clear bends or steps (Ref. 30704).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Parin, N.V. and O.D. Borodulina, 1998. A new mesopelagic fish Astronesthes zharovi (Astronesthidae, Stomiiformes) from tropical Atlantic. J. Ichthyol. 38(8):669-672. (Ref. 30704)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [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): 3.8 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
