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Bathyraja isotrachys (Günther, 1877)

Raspback skate
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Bathyraja isotrachys   AquaMaps   Data sources: GBIF OBIS
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Image of Bathyraja isotrachys (Raspback skate)
Bathyraja isotrachys
Picture by Orlov, A.


Japan country information

Common names: Challenger skate, Charenja-kasube, Sokogangi-ei
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in northern Japan (Ref. 559). Ranges to southern Japan (Ref. 8630). Known in Okinawa Trough and Tohoku Slope (Ref. 13360).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
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) > Rajiformes (Skates and rays) > Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
  More on author: Günther.

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

морской батидемерсальный; пределы глубины 370 - 2000 m (Ref. 50550).   Temperate

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

Northwest Pacific: Sea of Okhotsk to southern Japan.

Size / Вес / Возраст

Maturity: Lm ?  range ? - ? cm
Max length : 76.2 cm TL самец/пол неопределен; (Ref. 6797)

биология     глоссарий (например epibenthic)

Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 10.6-13.2 cm long and 7.6-8.6 cm wide (Ref. 41298, 41253).

Life cycle and mating behavior Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).

Основная ссылка Upload your references | ссылки | координатор : McEachran, John | соавторы

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

Статус Красного Списка МСОП (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Угроза для людей

  Harmless




Использование человеком

FAO(Publication : search) | FishSource |

дополнительная информация

Trophic ecology
пищевые объекты
Diet compositions
Food consumptions
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Ecology
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Length-weight rel.
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ресурсы в Интернет

Aquatic Commons | BHL | Cloffa | Websites from users | Проверить FishWatcher | CISTI | Catalog of Fishes(род, виды) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(Геном, Нуклеотид) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Вперёд, поиск) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 2.2 - 7.3, mean 3 (based on 166 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00232 - 0.00622), b=3.09 (2.95 - 3.23), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.9   ±0.7 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref. 120179):  низкий, минимальное время удвоения популяции 4.5-14 лет (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100).