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) >
Bothidae (Lefteye flounders)
鮃科 (Lefteye flounders)
Etymology: Chascanopsetta: Greek, chaskanon, -ou = a mask used in classicla Greek theatre with the mouth opened + Greek, psetta = grouper (Ref. 45335); megagnatha: From the Greek megas for large and gnathos for jaw, in reference to the large mouth..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 410 - 590 m (Ref. 10737). 深水域
Southeast Pacific: known from three seamounts on the Sala y Gomez Ridge, between Chile and Easter Island.
東南太平洋: 在智利與復活島之間,在 Sala y Gomez 脊上已知來自三個海洋山脊了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 24.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 10737)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 111 - 118; 臀棘: 0; 臀鰭軟條: 71 - 81; 脊椎骨: 52 - 56. About one-fourth to one-third of lower jaw length projecting anterior to upper jaw symphysis; upper jaw length 0.98-1.18 in HL, lower jaw length 0.67-0.83; pectoral fins asymmetrical, fin on ocular side slightly longer than on blind side (Ref. 10737).
大約四分之一到三分之一下頜長度突出的位於上頜瘉合處前; 上頜長度 0.98-1.18個 HL比率, 下頜長度 0.67-0.83; 胸鰭不對稱的, 在有眼睛的一邊上的鰭略長於在沒有眼睛的一邊上.(參考文獻 10737)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
東南太平洋: 在智利與復活島之間,在 Sala y Gomez 脊上已知來自三個海洋山脊了。
Amaoka, K. and N.V. Parin, 1990. A new flounder, Chascanopsetta megagnatha, from the Sala-y-Gomez Submarine Ridge, Eastern Pacific Ocean (Teleostei: Pleuronectiformes: Bothidae). Copeia 1990(3):717-722. (Ref. 10737)
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Estimates based on models
Preferred temperature (Ref.
123201): 10.6 - 11.4, mean 11.1 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00408 - 0.02036), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.7 ±0.4 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): Low vulnerability (20 of 100).
