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Bathyraja smirnovi (Soldatov & Pavlenko, 1915)

Golden skate
إضافة ملاحظاتك Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Bathyraja smirnovi   AquaMaps   Data sources: GBIF OBIS
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Image of Bathyraja smirnovi (Golden skate)
Bathyraja smirnovi
No image available for this species;
drawing shows typical fish in this Family.

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

أشلاق (القروش و الشفانين) (sharks and rays) > Rajiformes (Skates and rays) > Arhynchobatidae (Skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335);  smirnovi: Named for 'Mr. Smirnov', Inspector of Fishes, who collected fishes from the Sea of Okhotsk (Ref. 89865).

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

; بحري القاع; نطاق العمق 100 - 1000 m.   Temperate; - 36°N (Ref. 89865)

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri

North Pacific: Sea of Okhotsk, Kuril Islands, and the Sea of Japan.

الحجم / وزن / العمر

Maturity: Lm ?  range ? - ? cm
Max length : 102 cm TL ذكر/ مختلط الجنس; (Ref. 89865)

وصف مختصر الوصف الخارجي | قياسات المظهر الخارجي

This species is distinguished from all other members of Arctoraja by the absence of a complete row of middorsal thorns and with the ridge of clasper poorly developed (vs. strongly developed). It is further distinguished from B. parmifera which occasionally lacks middorsal thorns by having a narrow interdorsal space 0.1-1.4% TL (vs. 1.0-3.9% TL), distal projection of the ventral marginal projects directly distally (vs. distolaterally), ventral terminal lanceolate (vs. tear-drop shaped), dorsal and ventral marginals extending farther distally to distal tip of dorsal terminal 3 (vs. extending to about a quarter the length of dorsal terminal 2); from B. panthera by its narrower interdorsal length (vs. 1.4-3.1% TL), anterior portion of body shorter and narrower (vs. longer and wider), tail shorter (vs. longer), single cranial fontanelle (vs. separate anterior and posterior fontanelles), ventral terminal lanceolate (vs. tear-drop shaped), dorsal and ventral marginals extending farther distally to distal tip of dorsal terminal 3 (vs. extending to about a quarter the length of dorsal terminal 2); from B. simoterus by having fewer vertebrae 118-127 (vs. 131), fewer precaudal vertebrae 31-38 (vs. 41), larger mouth size 8.3-11.6% TL (vs. 8.1-9.1% TL), neurocranium with 1 fontanelle (vs. 2), internal carotid foramina close together in a single pit (vs. widely separated), scapulocoracoid with 5 foramina, anterior- and posteriormost larger than 3 intermediates (vs. 3 foramina, more posterior each slightly smaller), and pelvic girdle with 2 obturator foramina close together (vs. widely spaced) (Ref. 89865).

أحياء     المصطلحات (على سبيل المثال 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 12.4-15.0 cm long and 8.7-9.0 cm wide (Ref. 41249, 41253). Depth range given by H. Ishihara (pers.comm. 07/07). Reported to feed primarily on amphipods, decapods, fishes, euphausids, and squid on Yamato Bank in the Sea of Japan. Maximum length reported 116 cm TL (Ref, 89865).

Life cycle and mating behavior النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae

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). Eggs have horn-like projections on the shell (Ref. 205).

المرجع الرئيسي Upload your references | مراجع | المنظم : McEachran, John | المتعاونين

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)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 09 July 2007

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless





استخدامات بشرية

FAO(Publication : search) | FishSource |

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العمر/ الحجم
نمو
الطول-الوزن
الطول-الطول
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قياسات المظهر الخارجي
الوصف الخارجي
Larvae
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مصادر علي الأنترنت

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 0.6 - 3.8, mean 1.6 (based on 122 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00244 - 0.00981), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  4.0   ±0.7 se; Based on size and trophs of closest relatives
المرونه (Ref. 69278):  منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
عرضة للخطر (Ref. 59153):  High to very high vulnerability (66 of 100) .