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Bathyraja smirnovi (Soldatov & Pavlenko, 1915)

Golden skate
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Bathyraja smirnovi   AquaMaps   Data sources: GBIF OBIS
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Bathyraja smirnovi
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drawing shows typical fish in this Family.

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

ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (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 ນິເວດວິທະຍາ

; ສັດທະເລ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ລະດັບຄວາມເລິກ 100 - 1000 m.   Temperate; - 36°N (Ref. 89865)

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

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

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 102 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 89865)

Short description ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

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).

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. 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 ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ

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).

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ : McEachran, John | ຜູ້ຮ່ວມມື

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

Threat to humans

  Harmless





Human uses

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ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ສະລີລະວິທະຍາ
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ
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Stamps, Coins Misc.
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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).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  4.0   ±0.7 se; Based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (Ref. 69278):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Fec assumed to be <100).
Vulnerability (Ref. 59153):  High to very high vulnerability (66 of 100) .