Squalus longispinis, La Réunion longspine spurdog : fisheries

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相關魚種
- 魚種在
  Squalus
- 魚種在
  Squalidae
- - 分類 -
- Squalidae
- Squaliformes
- Elasmobranchii
- Chordata
- Animalia

Squalus longispinis Fricke, Durville, Potin & Mulochau, 2023

La Réunion longspine spurdog

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drawing shows typical species in Squalidae.

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

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) 角鯊目 (Sleeper and dogfish sharks) > Squalidae (Dogfish sharks) 棘鮫科 (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).

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

海洋深海底的; 深度上下限 900 - 1000 m (Ref. 130122).

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

Western Indian Ocean: Réunion.

大小 / 重量 / 年齡

Maturity: L_m ? range ? - ? cm
Max length : 73.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 130122)

簡短描述檢索表 | 型態特徵 | 形態測量圖

脊椎骨: 112. This species is distinguished from its congeners by the following set of characters: snout short, preorbital length 8.2% of total length (TL), prenarial length in inner nostril-narial furrow space 0.86; body very high, with abdomen height 16.4% of TL, head height in trunk height 0.5; dorsal fin begin vertical above posterior lobes of pectoral fin; second dorsal fin at the middle between anal and caudal fins; first and second dorsal-fin spines are long, the first 5.8% of TL and second 5.3% of TL; flank denticles are tricuspid; vertebrae, monospondylous 37, precaudal 86, caudal 26, total 112; upper caudal-fin lobe broad; caudal fin distally with a narrow, light grey margin (Ref. 130122).

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

主要參考資料 Upload your references | 參考文獻 | 合作者 : Compagno, Leonard J.V. | 合作者

Fricke, R., P. Durville, G. Potin and T. Mulochau, 2023. Squalus longispinis, a new species of spurdog (Elasmobranchii: Squalidae) from La Réunion, southwestern Indian Ocean. Taxa (Journal of Taxonomy and Systematics) 2:1-21. (Ref. 130122)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)

未評估

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

人類使用

漁業: 潛在的興趣

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00347 (0.00165 - 0.00730), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

營養階層 (Ref. 69278): 4.3 ±0.3 se; based on size and trophs of closest relatives

回復力 (Ref. 120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (49 of 100).

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