Platyrhina tangi, Yellow-spotted fanray

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Platyrhina tangi Iwatsuki, Zhang & Nakaya, 2011

Yellow-spotted fanray
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Image of Platyrhina tangi (Yellow-spotted fanray)
Platyrhina tangi
Picture by Murch, A.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Torpediniformes (Electric rays) > Platyrhinidae (Fanrays)
Etymology: Platyrhina: Greek, platys = flat + Greek, rhinos = nose. It is the same voice used for the Mammalian division made in Primates (Ref. 45335);  tangi: Named for Chinese ichthyologist D.-S. Tang.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 海; 深さの範囲 - m (Ref. ), usually - m (Ref. ).   Temperate; 0°C - ; 40°N - 17°N, 106°E - 141°E (Ref. 114953)

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Northwest Pacific: southern Japan (except the Ryukyu and Ogasawara Islands), southern Korea, China, Taiwan and northern Vietnam.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 42 - ? cm
Max length : 68.0 cm TL オス/雌雄の選別がない; (Ref. 86259); 63.9 cm TL (female)

簡単な記述 形態学 | 形態計測学

This species is distinguished from its congeners in having the following set of characters: a row of thorns (weakly hooked, sometimes tubercle-like) on mid-dorsum of tail; no thorns on the anterior part of scapular region; thorns on the orbital, nape and scapular regions encircled by light yellow or white pigment; dorsal surface covered with minute and some clearly larger dermal denticles (coarse to touch) (Ref. 86259).

生物学     用語集 (例 epibenthic)

From studies on vertebral centra, it has been suggested that females attain a greater asymptotic total length (55.58 cm TL) and grew more slowly than males (45.52 cm TL) (based on specimens from Ariake Bay, western Kyushu Island, Japan). The maximum ages observed were 5 years for males and 12 years for females. Furthermore, it was also reported that females reached sexual maturity at a greater size than males (total length at 50% sexual maturity: males, 39.3 cm; females, 42.1cm). Parturition occurred from August to November followed immediately by mating, ovulation and fertilization. Largest specimen yet recorded (USNM 51295, 68.0 cm TL, Tokyo, sex unknown) with the largest specimens examined and collected from the Hyuga Nada Sea to be 63.9 cm TL for female, and 52.5 cm TL for male; however, the species is likely to grow larger than ca. 70.0 cm TL according to local Miyazaki fishermen (Ref. 86259).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Iwatsuki, Y., K. Miyamoto, K. Nakaya and J. Zhang, 2011. A review of the genus Platyrhina (Chondrichthys: Platyrhinidae) from the northwestern Pacific, with descriptions of two new species. Zootaxa 2738:26-40. (Ref. 86259)

IUCNのレッドリストの状況は (Ref. 124695)

  攻撃されやすい (VU) (A2cd); Date assessed: 02 September 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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食品種目概要について
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共通名の
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成熟
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生産力

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形態計測学
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シガテラ(食中毒の名前)
速度
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カマ
Otoliths

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
回復力
弱み (Ref. 59153):  Moderate to high vulnerability (47 of 100) .