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Polymixiiformes (Beardfishes) >
Polymixiidae (Beardfishes)
Etymology: Polymixia: Greek, poly = a lot of + Greek, myxos = mucus (Ref. 45335).
Eponymy: Rev. Richard Thomas Lowe (1802–1874) was a British botanist, ichthyologist and malacologist as well as being a clergyman. He graduated from Christ’s College, Cambridge (1825) and then took holy orders. He became a pastor in Madeira (1832), [...] (Ref. 128868), visit book page.
More on author: Günther.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall 50 - 600 m (Ref. 5217), usually 150 - 600 m (Ref. 5217). Deep-water; 41°N - 4°N
Western Atlantic: Canada to New York, USA and northern Gulf of Mexico to the Antilles (Ref. 26340) and French Guiana.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 29.4 cm TL hane/ej könsbestämd; (Ref. 39376); common length : 15.0 cm TL hane/ej könsbestämd; (Ref. 5217)
Taggstrålar i ryggfenan (totalt) : 5; Mjukstrålar i ryggfenan (totalt) : 26 - 32; Taggstrålar i analfenan: 4; Mjukstrålar i analfenan: 15; Ryggkotor: 29 - 30. Tip of snout projecting beyond upper jaw (Ref. 13608). Body elongate. Head blunt and rounded. Head and body bluish gray (Ref. 37108). Body with metallic blue shin above, silvery below (Ref. 7251).
Body shape (shape guide): fusiform / normal.
Found on soft bottoms (Ref. 5217).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 7.9 - 20.6, mean 13.4 °C (based on 234 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5007 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00670 - 0.01713), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.0 ±0.2 se; based on diet studies.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming tmax>4).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (19 of 100).
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