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Teleostei >
Ophidiiformes (Cusk eels)
鼬鳚目 (Cusk eels) >
Bythitidae (Livebearing brotulas)
深蛇鳚科 (Livebearing brotulas)
Etymology: Lucifuga: Latin, lux = light + latin, fugere = to escape, to avoid, to run away from (Ref. 45335); lucayana: Named for its type locality, Lucayan Caverns, graveyard of the Lucayan Indians who inhabited the Bahamas for 2000 years and were eliminated by the European invaders..
More on authors: Møller, Schwarzhans, Iliffe & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 底中水層性; 深度上下限 12 - 20 m (Ref. 57878). 亞熱帶的
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri
Western Atlantic: Caribbean, Bahamas.
西大西洋: 加勒比海, 巴哈馬。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.9 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 84 - 91; 臀鰭軟條: 63 - 69; 脊椎骨: 50 - 52. This species is distinguished from its congeners by the following combination of characters: Vertebrae 12-13+37-39=50-52, dorsal fin rays 84-91, anal fin rays 63-69, pectoral fin rays 17-18, caudal fin rays 10; head profile above eye strongly depressed, scales on occiput, eyes present (0.9-1.0 % SL); palatine teeth absent; color uniformly light brown, long gill-rakers 3, pale (Ref. 57878).
這種在組合特徵之後被與它的同類區分藉由: Vertebrae 12-13+37-39=50-52 ，背鰭鰭條 84-91 ，臀鰭棘條 63-69 ，胸鰭鰭條 17-18, 尾鰭鰭條 10; 頭部輪廓眼睛上方強烈地扁平的, 鱗片在後腦部上，眼呈現 (0.9-1.0% SL); 顎齒不存在; 顏色均勻地淡褐色，長的鰓耙 3, 灰白的.(參考文獻 57878)
Found in an anchialine cave which is connected to the sea via a submerged passage which opens into a tidal saltwater creek. The upper about 14 m in the cave consists of freshwater (22 °C), separated from a lower, slightly warmer (23-25 °C), salty layer by a distinct halocline. The holotype was taken in a depth of 12 m, which must then most likely to be freshwater; some where collected from one or two inland sink holes (Ref. 57878).
發現於.一個 anchialine 洞穴是經由一個水下的通道連接到海洋那一個開放的進入一條潮汐的鹽水小溪之內。 上面人在洞穴的大約 14 公尺由被明顯 halocline 與低又些微比較熱的 (23-25 °C) 又鹹層分開的淡水 (22 °C) 組成。 holotype 在深度中採集 12 公尺, 然後一定要最有可能的是淡水; 一些在哪裡採集自一或二內陸的洗滌槽洞.(參考文獻 57878)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西大西洋: 加勒比海, 巴哈馬。
Møller, P.R., W. Schwarzhans, T.M. Iliffe and J.G. Nielsen, 2006. Revision of the Bahamian cave-fishes of the genus Lucifuga (Ophidiiformes, Bythitidae), with description of a new species from islands on the Little Bahama Bank. Zootaxa 1223:23-46. (Ref. 57878)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 26 August 2020
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Estimates based on models
Preferred temperature (Ref.
123201): 26.3 - 28, mean 27 °C (based on 198 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±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).
