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Apristurus brunneus (Gilbert, 1892)

Brown catshark
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Native range | All suitable habitat | Point map | Year 2050
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.


Alaska country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from Icy Point, southeastern Alaska southward (Ref. 27436, 96339,43939). Also Ref. 2850.
National Checklist:
Country Information:
National Fisheries Authority: http://www.state.ak.us/local/akpages/FISH.GAME/adfghome.htm
Occurrences: Occurrences Point map
Main Ref: Lamb, A. and P. Edgell, 1986
National Database:

Common names from other countries

Классификация / Names народные названия | синонимы | Catalog of Fishes(род, виды) | ITIS | CoL | WoRMS | Cloffa

Пластиножаберные (акулы и скаты) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus). (See ETYFish);  brunneus: Medieval Latin for brown, referring to its “uniform warm brown” color above and below. (See ETYFish).
  More on author: Gilbert.

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

морской демерсальный; пределы глубины 33 - 1306 m (Ref. 96339).   Subtropical; 60°N - 39°S, 138°W - 70°W (Ref. 56871)

распространение страны | регионы FAO | Ecosystems | места находок | Point map | интродукции | Faunafri

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

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 69.0 cm TL самец/пол неопределен; (Ref. 96339)

Краткое описание определительные ключи | морфология | морфометрия

колючие лучи спинного плавника (общее число) : 0; колючие лучи анального плавника: 0. Dark brown, with conspicuous light posterior margin on fins (Ref. 247).

биология     глоссарий (например 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 Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

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).

Основная ссылка Upload your references | ссылки | координатор | соавторы

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)

Статус Красного Списка МСОП (Ref. 130435)

  Нехватка данных (DD) ; Date assessed: 19 March 2014

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




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дополнительная информация

Trophic ecology
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Diet compositions
Food consumptions
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Ecology
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Length-weight rel.
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Размерный состав
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Recruitments
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Life cycle
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BRUVS - Videos
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Estimates based on models

Preferred temperature (Ref. 115969): 5.6 - 9, mean 6.9 (based on 52 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.0 se; based on diet studies.
устойчивость к внешним воздействиям (Ref. 120179):  очень низкий, минимальное время удвоения популяции более 14 лет (Fec assumed to be <10).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (48 of 100).