分類 / Names
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Pleuronectiformes (Flatfishes) >
Cynoglossidae (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 / depth range / distribution range
生態学
海 底生の; 深さの範囲 7 - 190 m (Ref. 36453), usually 40 - 100 m (Ref. 36453). Tropical; 20°S - 45°S, 64°W - 40°W (Ref. 26268)
Southwest Atlantic: southeastern Brazil to central Argentina.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 18.2 cm TL オス/雌雄の選別がない; (Ref. 102465)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 86 - 93; 肛門の骨: 0; 臀鰭: 72 - 78.
Sexual maturity of females at approximately 7 to 8 cm. Minimum depth reported from Ref. 26268.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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のレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 5.2 - 21.2, mean 10.4 °C (based on 143 cells).
Phylogenetic diversity index (Ref.
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).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Symphurus trewavasae (Trewavas\](/images/thumbnails/gif/tn_Sytre_u0.gif "Image of Symphurus trewavasae (Trewavas\")
