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Polymixia nobilis  Lowe, 1836

Stout beardfish
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| Native range | All suitable habitat | PointMap | Year 2050 |
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Polymixia nobilis   AquaMaps   Data sources: GBIF OBIS
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Image of Polymixia nobilis (Stout beardfish)
Polymixia nobilis
Picture by Cambraia Duarte, P.M.N. (c)ImagDOP

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Polymixiiformes (Beardfishes) > Polymixiidae (Beardfishes)
Etymology: Polymixia: Greek, poly = a lot of + Greek, myxos = mucus (Ref. 45335).   More on author: Lowe.

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 100 - 770 m (Ref. 7412), usually 360 - 540 m (Ref. 7412).   Deep-water

Length at first maturity / Size / Weight / Age

Maturity: Lm 26.0, range 20 - ? cm
Max length : 48.0 cm TL male/unsexed; (Ref. 5217); common length : 30.0 cm TL male/unsexed; (Ref. 7412); max. reported age: 14 years (Ref. 88061)

Short description Morphology | Morphometrics

Dorsal spines (total): 5; Dorsal soft rays (total): 34-37; Anal spines: 4; Anal soft rays: 15 - 16; Vertebrae: 29. Dark brownish grey in color, silvery below; black blotch on distal part of anterior dorsal rays (Ref. 6624). Snout blunt, rounded, adipose. Hyoid barbels present (Ref. 37108).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: Azores, Madeira, the Canary Islands, Cape Verde and St. Helena Islands. Western Atlantic: West Indies, Saba Bank, Leeward Islands, off northern coast of Cuba and west of the Bahamas. Reported to occur in the northern coast of South America (Ref. 5217).

Biology     Glossary (e.g. epibenthic)

Found on semi-hard and soft bottoms on the continental shelf and slope. Marketed fresh and frozen.

Main reference Upload your references | References | Coordinator | Collaborators

Hureau, J.-C., 1990. Polymixiidae. p. 625. 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. 2. (Ref. 7412)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5029   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.01034 - 0.01841), b=3.13 (3.04 - 3.22), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  4.2   ±0.73 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4).
Vulnerability (Ref. 59153):  Moderate vulnerability (43 of 100) .
Price category (Ref. 80766):   Unknown.