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) >
Paralichthyidae (Large-tooth flounders)
牙鮃科 (Large-tooth flounders)
Etymology: Xystreurys: Greek, xystra, -as = scraper + Greek, eury = wide (Ref. 45335).
More on author: Jordan.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 海洋洄游的 (Ref. 41500), usually 5 - 150 m (Ref. 36453). 亞熱帶的; - 53°S
Southwest Atlantic: Rio de Janeiro, Brazil to Patagonia, Argentina.
西南大西洋: 巴西里約熱內盧到巴塔哥尼亞，阿根廷。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 21.2 range ? - ? cm
Max length : 40.0 cm NG 雄魚/尚未辨別雌雄; (Ref. 36453)
背棘 (總數) : 0; 背的軟條 (總數) : 75 - 89; 臀棘: 0; 臀鰭軟條: 60 - 71. Dark spots on ocular side irregularly and two dark small spots at end of both dorsal and anal fin bases on blind side symmetrically (Ref. 27363).
在有眼睛的一邊上的深色的斑點不規則地與在末端的二個深色的小斑點背部的與對稱地的在沒有眼睛的一邊上的臀鰭基底.(參考文獻 27363)
Feeds on amphipods, small crabs and polychaetes (Ref. 36453). In spring mature individuals migrate to 37°S and southwards to spawn and in autumn migrate offshore for feeding and growing (Ref. 41500).
吃片腳類動物，小的螃蟹與多毛類動物。 (參考文獻 36453) 在春天，成熟的個體迴游到 37個 °S 而且向南至產卵而且對於進食秋天時移動外海與成長的.(參考文獻 41500)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Distinct pairing (Ref. 205).西南大西洋: 巴西里約熱內盧到巴塔哥尼亞，阿根廷。
Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986. Important fishes trawled off Patagonia. Japan Marine Fishery Resource Research Center, Tokyo. 369 p. (Ref. 27363)
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Estimates based on models
Preferred temperature (Ref.
123201): 6.3 - 22.9, mean 12.1 °C (based on 642 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00264 - 0.00688), b=3.22 (3.08 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.49 se; based on food items.
Generation time: 2.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).
