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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Astronesthinae
Etymology: Rhadinesthes: Greek, rhadinos, -e, -on = soft, flexible + Greek, esthes, -es = suit, something used to wra (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 0 - 4900 m (Ref. 58018). Deep-water; 65°N - 46°S, 180°W - 180°E
Eastern Atlantic: Bay of Biscay to Mauritania and off Namibia; reported from Iceland (Ref. 12462). Also tropical Indian Ocean, eastern and western South Pacific, and central North Pacific.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 41.0 cm SL mâle / non sexé; (Ref. 4465)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 11 - 13; Épines anales: 0; Rayons mous anaux: 18 - 21. Teeth on upper jaw slender, all short, widely spaced; 10 to 12 on premaxillary, 14 to 30 teeth on maxillary. No well-developed canines in jaws. Pelvic insertion nearer to tip of snout than to caudal base. Dorsal origin well behind pelvic insertion. Dorsal adipose fin absent.
An oceanic (Ref. 2802) and mesopelagic-bathypelagic species (Ref. 4465). Usually found deeper than 500 m during the day (Ref. 2802). Feeds on midwater fishes and crustaceans (Ref. 2802).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 7.9, mean 3.8 °C (based on 1262 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 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.1 ±0.68 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
