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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 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.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 33.0 cm TL hane/ej könsbestämd; (Ref. 4525); 38.0 cm TL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 54 - 66; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 28 - 43; Ryggkotor: 81 - 85.
Body shape (shape guide): elongated.
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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: bycatch
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 1 - 22.5, mean 11.7 °C (based on 216 cells).
Index för fylogenetisk mångfald (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).
Trofisk nivå (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.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=0.5;).
Sårbarhet i fisket (Ref.
59153): Low to moderate vulnerability (26 of 100).
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