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Gymnelus retrodorsalis Le Danois, 1913

Aurora unernak
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Gymnelus retrodorsalis   AquaMaps   Data sources: GBIF OBIS
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Image of Gymnelus retrodorsalis (Aurora unernak)
Gymnelus retrodorsalis
Picture by Svensen, E.

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Zoarcoidei (Eelpouts and pricklebacks) > Zoarcidae (Eelpouts) > Gymnelinae
Etymology: Gymnelus: Gymnelus, derived from Greek, gymnēlos (Latinized Greek) = poor, needy (akin to Greek gymnos for destitute (E. Spencer, pers.comm. 09/13).;  retrodorsalis: Name from Latin "retro" (behind) and "dorsum" (the back); referring to the posterior dorsal fin origin (Ref. 120636).

Environment: milieu / climate zone / depth range / distribution range Ecología

marino demersal; rango de profundidad 8 - 481 m (Ref. 58426). Temperate; 83°N - 43°N, 112°W - 68°E

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Arctic to Northeast Atlantic: Nunavut (Ref. 58426), Greenland, Jan Mayen and from Spitsbergen to Laptev Sea.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm TL macho / no sexado; (Ref. 11976); peso máximo publicado: 4.60 g (Ref. 11976)

Biología     Glosario (por ej. epibenthic)

Inhabits continental shelves (Ref. 11954). Benthic (Ref. 58426).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Nielsen, J.G. and E. Bertelsen, 1992. Fisk i grønlandske farvande. Atuakkiorfik, Nuuk. 65 s. (Ref. 9925)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Más información

Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Recruitments
Abundances
Life cycle
Reproducción
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Fecundities
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Egg(s)
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References
Referencias

Herramientas

Bio-Quiz | E-book | Guía de campo | Asistente para frecuencias de tallas | Herramienta de ciclo de vida | Mapa de puntos | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Datos específicos | Nombres comunes | Photos

Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Expediente Zoológico

Estimates based on models

Preferred temperature (Ref. 123201): -1.6 - 3.2, mean -0.1 °C (based on 2085 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00135 - 0.00777), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.2   ±0.35 se; based on food items.
Resiliencia (Ref. 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).