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Apristurus brunneus (Gilbert, 1892)

Brown catshark
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Apristurus brunneus   AquaMaps   Data sources: GBIF OBIS
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Image of Apristurus brunneus (Brown catshark)
Apristurus brunneus
Picture by Van Orden, W.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: Greek, a = without + Greek, pristis = saw + Greek, oura = tail (Ref. 45335);  brunneus: From the latin 'brunneus' meaning brown (Ref. 6885).  More on author: Gilbert.

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

; marina bottenlevande; djupintervall 33 - 1306 m (Ref. 96339).   Subtropical; 60°N - 18°S, 167°E - 71°W (Ref. 56871)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Eastern Pacific: British Columbia, Canada to northern Baja California, Mexico. Probably south to Panama, Ecuador, and Peru.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 69.0 cm TL hane/ej könsbestämd; (Ref. 96339)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 0; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 0. Dark brown, with conspicuous light posterior margin on fins (Ref. 247).

Biologi     Ordlista (t.ex. epibenthic)

Inhabits the outer continental shelf and upper slope (Ref. 244). Found over muddy or sandy bottoms (Ref. 27436). Feeds on small true shrimps, euphausiid shrimps, squids, and small fishes (Ref. 244). Oviparous (Ref. 50449).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Oviparous, with a single egg per oviduct (Ref. 244). Eggs are enclosed in oblong transparent cases with tendrils at each end (Ref. 6885). Embryos feed solely on yolk (Ref. 50449). In Canada, females carry egg cases from February to August (Ref. 244).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Red List Status (Ref. 120744)

  Data deficient (DD) ; Date assessed: 19 March 2014

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: saknar intresse
FAO(Publication : search) | FishSource |

Ytterligare information

Länder
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Ekosystem
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Ekologi
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synonymer
Metabolik
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Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
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referenser
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Special reports

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Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 5.6 - 9, mean 6.9 (based on 52 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00147 - 0.00678), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.6   ±0.0 se; Based on diet studies.
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec assumed to be <10).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (52 of 100) .