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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Idiacanthinae
Etymology: Idiacanthus: Greek, idia = own privative + Greek, akantha = thorn (Ref. 45335); antrostomus: antrostomus meaning cavern mouth (Ref. 4525).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 0 - 1103 m (Ref. 58018). Deep-water; 42°N -
Eastern Pacific: throughout most of the tropic and temperate waters, both north and south of the equator.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 33.0 cm TL mannelijk / geslacht onbekend; (Ref. 4525); 38.0 cm TL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 54 - 66; Anale stekels: 0; Anale zachte stralen: 28 - 43; Wervels: 81 - 85.
Mesopelagic species (Ref. 559). Migrates to the surface at night and return to the depths at dawn. Feed mainly on small fishes and crustaceans (Ref. 4525). Oviparous, with planktonic eggs and larvae (Ref. 35926). Exhibit extreme sexual dimorphism, with larvoid males (Ref. 35926).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij:
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Estimates based on models
Preferred temperature (Ref.
123201): 1 - 22.5, mean 11.7 °C (based on 216 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.8 ±0.60 se; based on food items.
Generation time: 2.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).