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Aulopiformes (Grinners) >
Paralepididae (Barracudinas)
Etymology: Arctozenus: Greek, arktos = bear + particle zen, derived from zao = to give life; risso: Named after A. Risso, European ichthyologist (Ref. 6885).
Eponymy: Professor Giovanni Antonio Risso (1777–1845) (aka Joseph Antoine Risso) was an Italian-French naturalist and the first to describe deep-sea fishes as distinctive fauna and describe depth zonation with different species living in discrete depth [...] (Ref. 128868), visit book page.
More on author: Bonaparte.
Taxonomic Remarks
Genus and spelling of species Eschmeyer, pers. comm. and in Paxton et al. 1989 (Ref.7300:247).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 0 - 2200 m (Ref. 50610). Deep-water; 71°N - 55°S, 180°W - 180°E
Worldwide distribution from the Arctic to Antarctic. Eastern Pacific: British Columbia (55°N) to at least north central Baja California (28°N) (Ref. 35950). Northwest Pacific: Bering Sea, Kamchatka, Kuril Islands (Ref. 41668).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 30.0 cm SL hane/ej könsbestämd; (Ref. 35388); common length : 25.0 cm SL hane/ej könsbestämd; (Ref. 4473)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 8 - 13; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 28 - 34; Ryggkotor: 72 - 86. Bright silvery in color (Ref. 6885). Branchiostegal rays: 8 (Ref. 35950).
Body shape (shape guide): elongated.
Pseudoceanic and mesopelagic, occurring singly or in small schools (Ref. 5759), primarily at 200-1000 (Ref. 58302). Feed mainly on fishes and shrimps (Ref. 5759). Spawn in continental slopes and in oceanic banks from northern through tropical to southern temperate waters. Oviparous, with planktonic larvae (Ref. 35950).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Post, A., 1990. Paralepididae. p. 373-384. 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. 4473)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00186 (0.00077 - 0.00449), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.0 se; based on diet studies. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (34 of 100). 🛈 |
Näringsämnen (Ref. 124155) |
Calcium = 49.9 [16.8, 160.1] mg/100g; Iron = 0.548 [0.182, 1.750] mg/100g; Protein = 15.6 [12.5, 18.2] %; Omega3 = 0.105 [0.029, 0.325] g/100g; Selenium = 27.5 [7.9, 78.4] μg/100g; VitaminA = 14.2 [1.6, 119.9] μg/100g; Zinc = 0.615 [0.321, 1.262] mg/100g (wet weight); |