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Paragaleus tengi (Chen, 1963)

Straight-tooth weasel shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Paragaleus tengi   AquaMaps   Data sources: GBIF OBIS
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Image of Paragaleus tengi (Straight-tooth weasel shark)
Paragaleus tengi
Picture by FAO


Japan country information

Common names: Ten-ibara zame
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 13567.
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: Compagno, L.J.V., 1984
National Database:

Common names from other countries

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Carcharhiniformes (Ground sharks) > Hemigaleidae (Weasel sharks)
Etymology: Paragaleus: para (Gr.), near, referring to how its dentition is intermediate between Hemigaleus and the triakid Eugaleus (=Galeorhinus). (See ETYFish);  tengi: In honor of Teng Huo-Tu (1911-1978), Director, Taiwan Fisheries Research Institute, and authority on Taiwanese elasmobranch fishes. (See ETYFish).

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

海洋 居於水底的.    ; 34°N - 15°N

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Western Pacific: Japan to Viet Nam, including Hong Kong and Taiwan. Report of a record from off Madagascar may be an undescribed Paragaleus which has just recently been collected.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 88.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 244)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 0; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. Grey or grey-brown above, light below; no prominent markings on body and fins (Ref. 13567).

生物學特性     字彙 (例如 epibenthic)

A little-known inshore shark (Ref. 13567). Viviparous (Ref. 50449). Taken in fisheries where it occurs (Ref. 13567).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN 瀕危狀態 (Ref. 130435)

  瀕危 (EN) (A2d); Date assessed: 06 May 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  (Ref. 13567)




人類使用

漁業: 低經濟
FAO(Publication : search) | FishSource |

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網路資源

Aquatic Commons | BHL | Cloffa | Websites from users | 檢查 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因組, 核甘) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 國家資料庫 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 樹狀分類階層 | Wikipedia(, 搜尋) | World Records Freshwater Fishing | 動物學的記錄

Estimates based on models

Preferred temperature (Ref. 115969): 21.5 - 26.9, mean 24.7 (based on 164 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5664   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00147 - 0.00899), b=3.07 (2.86 - 3.28), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.2   ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  非常低的, 最小族群倍增時間超過14 年 (Fec is assumed to be <10).
Fishing Vulnerability (Ref. 59153):  High vulnerability (55 of 100).
價格種類 (Ref. 80766):   Unknown.