分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Synbranchiformes (Spiny eels)
合鰓魚目 (Spiny eels) >
Mastacembelidae (Spiny eels)
棘鰍科 (Spiny eels)
Etymology: Mastacembelus: Greek, mastax, -agos = bite + Greek, emballo = to throw oneself (Ref. 45335); liberiensis: Named after the country of origin of the type material, Liberia (Ref. 55095).
More on author: Boulenger.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 熱帶
Africa: Gambia River basin in the west up to the Cess/Nipoué River basin in the east (Ref. 55095, 57415).
非洲: 獅子山的大西洋集水區, 賴比瑞亞與象牙海岸 (Kolente 與小的 Scarcies, Nipoue 與卡瓦利河), 也已知來自在甘比亞與幾內亞 (參考文獻 7394) 的甘比亞與 Konkoure 河與從在塞內加爾的甘比亞與 Mako 河.(參考文獻 26075)
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 37.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 130826)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 28 - 35; 背的軟條 (總數) : 82 - 101; 臀鰭軟條: 79 - 100; 脊椎骨: 92 - 105. Diagnosis: 92-105 total vertebrae (median 99)[Konkouré River basin: 100-104 (median 102)]; 27+1 up to 34+1 (median 31+1) dorsal spines [Konkouré River basin: 29+1 up to 32+1 (median 31+1)]; no reduction of the pre-opercular spines with increasing length (Ref. 57415). No (exceptionally) up to 1 preorbital spine (Ref. 57415). 1 (very exceptionally) to 5 pre-opercular spines (median 2) (Ref. 55095, 57415). Origin of 1st dorsal spine situated posterior to posterior edge of pectoral fin, 4.8-47.4% HL (m=24.8); distance from anterior border of snout to last externally visible dorsal spine 52.6-61.5% SL (m=57.2), comparable to distance from anterior border of snout to last externally visible anal spine, 53.1-61.9% SL (m=57.8), both decreasing with size; post-anal length 42.3-50.9% SL (m=45.9) and increasing with size, shorter than pre-anal length, 48.5-56.8% SL (m=52.6) and decreasing with size, becoming equal to latter with increasing size; 6-12 caudal fin rays; 7-11 predorsal vertebrae; 37-42 abdominal vertebrae; 0-(+2) in-between vertebrae; 53-64 caudal vertebrae (Ref. 57415).
Body shape (shape guide): eel-like.
Maximum TL observed was 383mm (Ref. 57415).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 獅子山的大西洋集水區, 賴比瑞亞與象牙海岸 (Kolente 與小的 Scarcies, Nipoue 與卡瓦利河), 也已知來自在甘比亞與幾內亞 (參考文獻 7394) 的甘比亞與 Konkoure 河與從在塞內加爾的甘比亞與 Mako 河.(參考文獻 26075)
Vreven, E.J. and G.G. Teugels, 2005. Redescription of Mastacembelus liberiensis Boulenger, 1898 and description of a new West African spiny-eel (Synbranchiformes: Mastacembelidae) from the Konkoure River basin, Guinea. J. Fish Biol. 67(2):332-369. (Ref. 55095)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 01 November 2019
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00237 - 0.00611), b=2.89 (2.75 - 3.03), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (參考文獻
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
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