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俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Pleuronectiformes (Flatfishes) >
Cyclopsettidae (Sand whiffs)
Etymology: Citharichthys: Latin, cithara = lire like instrument + Greek, ichthys = fish (Ref. 45335); gnathus: From the Greek gnathos meaning lower jaw, on which the bony knob characterizes this species..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 ? - 95 m (Ref. 35997). 熱帶
Southeast Pacific: known only from the Galapagos Islands.
東南太平洋: 已知只來自加拉巴哥群島了。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 13.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 35997)
簡短描述
型態特徵 | 形態測量圖
背的軟條 (總數): 78-86; 臀鰭軟條: 62 - 68; 脊椎骨: 36 - 37. Lower jaw in adults with a remarkable bony knob; snout very strongly projecting, 5.5-6.3% in SL in adults; pectoral fin on ocular side longer than that on blind side, ocular side with 10-11 rays, blind side with 8-10 rays; pelvic fin on ocular side situated on mid-ventral line, that on blind side slightly in advance of and dorsal to its counterpart (Ref. 35997).
下頜在成魚有一個顯著的多骨癤瘤; 吻非常強烈突出, 當成魚時的 5.5-6.3% 分之一標準體長; 在有眼睛的一邊上的胸鰭長度超過那在沒有眼睛的一邊上, 眼睛的側邊用 10-11 鰭條,沒有眼睛的一邊有 8-10 個鰭條; 在位於腹面中央線之上的有眼睛的一邊上的腹鰭, 那在沒有眼睛的一邊上略前方與背部的對它的相對物.(參考文獻 35997)
Minimum depth from Ref. 58018.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Distinct pairing (Ref. 205).東南太平洋: 已知只來自加拉巴哥群島了。
Hoshino, K. and K. Amaoka, 1999. Citharichthys gnathus, a new species of paralichthyid flounder (Teleostei: Pleuronectiformes) from the Galapagos Islands, eastern Pacific Ocean. Ichthyol. Res. 46(4):371-375. (Ref. 35997)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00325 - 0.01693), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
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): Low vulnerability (10 of 100).