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Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335); wuhanlingi: Named for Han-Lin Wu, Shanghai Fisheries University for his contributions to the ichthyology of China.
Eponymy: Dr Wu Han-Lin is a Professor of Ichthyology at Shanghai Ocean University and Director of the Fisheries Laboratory (2012), having previously been at Shanghai Fisheries University (2000). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
دريايي موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.; تغييرات عمق ? - 200 m (Ref. 114953). Subtropical; 28°N - 18°N, 111°E - 123°E (Ref. 114953)
Northwest Pacific: South and East China Seas (China) (Ref. 114953).
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 66.8 cm TL جنس نر / بدون خواص جنسي; (Ref. 75712); 78.4 cm TL (female)
Tip of pectoral girdle propterygium well separated from rostral node by about a half of rostral cartilage length. Preorbital snout long, 20% (holotype) and 21% (paratype) TL; rostral shaft straight, wide and stout; anterior fontanelle with distinct anterior margin. A single
scapular thorn on each side; three or four nuchal thorns; a row of lumbar thorns along dorsal midline of disc. Tail thin, narrow, slightly depressed, its length short as 45% (holotype) and 43% (paratype) TL; a single row of distinct thorns along dorsal midline in both sexes. Scapulocoracoid without anterior bridge; anterior fenestra strongly anteroposteriorly elliptical; postventral fenestra expanded horizontally; mesocondyle located at about middle between
procondyle and metacondyle. Pelvic girdle with three pairs of obturator foramina. Pores of ampullae of Lorenzini extending to just before pelvic girdle. Clasper glans with cleft, terminal bridge, shield and rhipidion; dermal denticles
absent. Tooth rows 36 (holotype) and 32 (paratype) in upper jaw. Trunk vertebrae 27; predorsal caudal vertebrae 47. Pectoral radials 92 on each side (Ref. 75712).
Body shape (shape guide): other; Cross section: flattened.
A demersal species with unknown capture depth, probably continental slope below 200 m. Occasionally found at regional fish markets with few retained by museums (Ref. 114953).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Jeong, C.-H. and T. Nakabo, 2008. Dipturus wuhanlingi, a new species of skates (Elasmobranchii: Rajidae) from China inland. Ichthyol. Res. 55:183-190. (Ref. 75712)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (مرجع
123201): 9.6 - 19.5, mean 14.3 °C (based on 38 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00131 - 0.00604), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).
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