分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Pleuronectiformes (Flatfishes)
鰈形目 (Flatfishes) >
Cynoglossidae (Tonguefishes)
舌鰨科 (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335).
Eponymy: Dr Ethelwynn Trewavas (1900–1993) was an eminent British ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Chabanaud.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 居於水底的; 深度上下限 7 - 190 m (Ref. 36453), usually 40 - 100 m (Ref. 36453). 熱帶; 20°S - 45°S, 64°W - 40°W (Ref. 26268)
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Southwest Atlantic: southeastern Brazil to central Argentina.
西南大西洋: 到中央的阿根廷的巴西東南方。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 18.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 102465)
背棘 (總數) : 0; 背的軟條 (總數) : 86 - 93; 臀棘: 0; 臀鰭軟條: 72 - 78.
Body shape (shape guide): elongated.
Sexual maturity of females at approximately 7 to 8 cm. Minimum depth reported from Ref. 26268.
雌性在的性成熟大約 7 到 8 公分。 最小深度記錄自了參考文獻 26268.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西南大西洋: 到中央的阿根廷的巴西東南方。
Munroe, T.A., 1998. Systematics and ecology of tonguefishes of the genus Symphurus (Cynoglossidae: Pleuronectiformes) from the western Atlantic Ocean. Fish. Bull. 96(1):1-182. (Ref. 26268)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 22 October 2020
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Estimates based on models
Preferred temperature (參考文獻
123201): 5.2 - 21.2, mean 10.4 °C (based on 143 cells).
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00276 - 0.00758), b=3.21 (3.06 - 3.36), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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![Image of Symphurus trewavasae (Trewavas\](/images/thumbnails/gif/tn_Sytre_u0.gif "Image of Symphurus trewavasae (Trewavas\")
