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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.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser benthopelagisch; tiefenbereich 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.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 29.4 cm TL Männchen/unbestimmt; (Ref. 39376); common length : 15.0 cm TL Männchen/unbestimmt; (Ref. 5217)
Rückenflossenstacheln (insgesamt) : 5; Rückenflossenweichstrahlen (insgesamt) : 26 - 32; Afterflossenstacheln: 4; Afterflossenweichstrahlen: 15; Wirbelzahl: 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).
Found on soft bottoms (Ref. 5217).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 7.9 - 20.6, mean 13.4 °C (based on 234 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00655 - 0.01674), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.2 se; based on diet studies.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming tmax>4).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).