Icosteus aenigmaticus, Ragfish

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Icosteus aenigmaticus Lockington, 1880

Ragfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Icosteus aenigmaticus   AquaMaps   Data sources: GBIF OBIS
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Image of Icosteus aenigmaticus (Ragfish)
Icosteus aenigmaticus
Picture by Van Orden, W.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Icosteidae (Ragfish)
Etymology: Icosteus: Greek, eikoo = to sag, to bend something that is soft + Greek, osteon = bone.

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

marien bathypelagisch; diepte 0 - 1420 m (Ref. 50550), usually 18 - 732 m (Ref. 2850). Deep-water; 66°N - 32°N

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

North Pacific: Japan to southeastern Alaska and to Point Loma, southern California, USA.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 213 cm TL mannelijk / geslacht onbekend; (Ref. 2850)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 52-55; Anale stekels 0; Anale zachte stralen: 34 - 40. Pectorals rounded, pedunculate (Ref. 6885). Generally of a chocolate color (Ref. 6885). Young more robust, with an expanded and rounded caudal fin, 5 pelvic rays, and a brown and yellow irregularly blotched with faint purple color, dusky on fins (Ref. 6885).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Adults occur near bottom; juveniles in shallow water or offshore near the surface (Ref. 50277). Feeds on jellyfish (Ref. 50277), fishes and squids (Ref. 2850), as well as octopuses (Ref. 4525).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

Status op de Rode Lijst van het IUCN (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 2 - 14.1, mean 6.2 °C (based on 1370 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  4.5   ±0.57 se; based on food items.
Generation time: 8.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (K=0.13; Fec=293,000).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (71 of 100).